Namespace:	http://www.ivoa.net/xml/STC/stc-v1.30.xsd
Type:	orbitType
Content:	complex, 8 attributes, 11 elements
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally at 2 locations in stc.xsd

XML Representation Summary

<Orbit

xs:string

ID_type

Content:

Name?, (a | q), e, i, Node, Aop, M?, P?, T

</Orbit>

Content model elements (10):

a (in Orbit),

Aop (in Orbit),

e (in Orbit),

i (in Orbit),

M (in Orbit),

Name (type xs:string),

Node (in Orbit),

P (in Orbit),

q (in Orbit),

T (in Orbit)

Included in content model of elements (6):

Definition Locations

Within global complexTypes (2):
astroCoordsType [def], astroCoordsType [def]

Annotations (1) (by all definition locations)

within astroCoordsType complexType [def], within astroCoordsType complexType [def]

Orbit specified by orbital elements

Attribute Detail (all declarations; 8)

Type:	xs:IDREF
Use:	optional
Defined:	locally within coordinateType complexType

XML Source (see within schema source)

<xs:attribute name="frame_id" type="xs:IDREF" use="optional"/>

Type:	xs:ID
Use:	optional
Defined:	locally within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute name="id" type="xs:ID" use="optional"/>

Type:	xs:string
Use:	optional
Defined:	locally within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute name="ID_type" type="xs:string" use="optional"/>

Type:	xs:IDREF
Use:	optional
Defined:	locally within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute name="idref" type="xs:IDREF" use="optional"/>

Type:	xs:string
Use:	optional
Defined:	locally within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute name="IDREF_type" type="xs:string" use="optional"/>

Type:	xs:string
Use:	optional
Defined:	locally within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute name="ucd" type="xs:string" use="optional"/>

Type:	xs:anyURI
Use:	optional
Defined:	by reference within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute ref="xlink:href" use="optional"/>

Type:	anonymous (restriction of xs:NMTOKEN)
Use:	optional
Default:	"simple"
Defined:	by reference within STCReference attributeGroup

XML Source (see within schema source)

<xs:attribute default="simple" ref="xlink:type" use="optional"/>

Content Element Detail (all declarations; 11)

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Semi-major axis for elliptical (closed) orbits (1>e>=0) only; for parabolic or hyperbolic orbits us periapsis distance q

XML Source (see within schema source)

<xs:element name="a" nillable="true">

<xs:annotation>

<xs:documentation>

Semi-major axis for elliptical (closed) orbits (1>e>=0) only; for parabolic or hyperbolic orbits us periapsis distance q

</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="AU" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Argument of periapsis

XML Source (see within schema source)

<xs:element name="Aop" nillable="true">

<xs:annotation>

<xs:documentation>Argument of periapsis</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="deg" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	double1Type, simple content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

XML Source (see within schema source)

<xs:element name="e" nillable="true" type="double1Type">

<xs:annotation>

<xs:documentation>Eccentricity</xs:documentation>

</xs:annotation>

</xs:element>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

XML Source (see within schema source)

<xs:element name="i" nillable="true">

<xs:annotation>

<xs:documentation>Inclination</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="deg" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Mean anomaly at time T; if absent T will refer to pericenter

XML Source (see within schema source)

<xs:element minOccurs="0" name="M" nillable="true">

<xs:annotation>

<xs:documentation>

Mean anomaly at time T; if absent T will refer to pericenter

</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="deg" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	xs:string, simple content
Defined:	locally within coordinateType complexType

XML Source (see within schema source)

<xs:element minOccurs="0" name="Name" type="xs:string"/>

Type:	xs:string, simple content
Defined:	locally within coordinateType complexType

XML Source (see within schema source)

<xs:element minOccurs="0" name="Name" type="xs:string"/>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Longitude of ascending node

XML Source (see within schema source)

<xs:element name="Node" nillable="true">

<xs:annotation>

<xs:documentation>Longitude of ascending node</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="deg" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Orbital period (redundant); for closed orbits only

XML Source (see within schema source)

<xs:element minOccurs="0" name="P" nillable="true">

<xs:annotation>

<xs:documentation>

Orbital period (redundant); for closed orbits only

</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="d" name="unit" type="timeUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	anonymous (extension of double1Type), empty content
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType

Periapsis distance; required (instead of a) for open orbits (e>=1)

XML Source (see within schema source)

<xs:element name="q" nillable="true">

<xs:annotation>

<xs:documentation>

Periapsis distance; required (instead of a) for open orbits (e>=1)

</xs:documentation>

</xs:annotation>

<xs:complexType>

<xs:complexContent>

<xs:extension base="double1Type">

<xs:attribute default="AU" name="unit" type="posUnitType" use="optional"/>

</xs:extension>

</xs:complexContent>

</xs:complexType>

</xs:element>

Type:	astronTimeType, complex content
Defined:	locally within orbitType complexType

Epoch of M (mean anomaly, if present) or of periapsis (if M is absent)

XML Source (see within schema source)

<xs:element name="T" type="astronTimeType">

<xs:annotation>

<xs:documentation>

Epoch of M (mean anomaly, if present) or of periapsis (if M is absent)

</xs:documentation>

</xs:annotation>

</xs:element>

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