Namespace:	http://www.ivoa.net/xml/STC/stc-v1.30.xsd
Type:	anonymous (extension of double1Type)
Content:	empty, 14 attributes
Nillable:	(can be declared as nil using xsi:nil attribute in instance XML documents)
Defined:	locally within orbitType complexType in stc-v1.30.xsd; see XML source
Includes:	definition of 1 attribute

XML Representation Summary
<q
	IDREF_type	=	xs:string
	ID_type	=	xs:string
	gen_unit	=	xs:string
	id	=	xs:ID
	idref	=	xs:IDREF
	pos_angle_unit	=	("deg" | "rad" | "h" | "arcmin" | "arcsec")
	pos_unit	=	("deg" | "deg deg m" | "deg deg Mpc" | "rad" | "h" | "arcmin" | "arcsec" | "m" | "km" | "mm" | "AU" | "pc" | "kpc" | "Mpc" | "lyr" | "")
	spectral_unit	=	("Hz" | "kHz" | "MHz" | "GHz" | "m" | "mm" | "um" | "nm" | "Angstrom" | "eV" | "keV" | "MeV" | "GeV" | "TeV")
	time_unit	=	("s" | "h" | "d" | "a" | "yr" | "cy" | "")
	ucd	=	xs:string
	unit	=	("deg" | "deg deg m" | "deg deg Mpc" | "rad" | "h" | "arcmin" | "arcsec" | "m" | "km" | "mm" | "AU" | "pc" | "kpc" | "Mpc" | "lyr" | "") : "AU"
	vel_time_unit	=	("s" | "h" | "d" | "a" | "yr" | "cy")
	xlink:href	=	xs:anyURI
	xlink:type	=	("simple" | "extended" | "locator" | "arc" | "resource" | "title") : "simple"
/>

• Within global complexTypes (1):
  orbitType [def]

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

Type Derivation Tree xs:anySimpleType (restriction)   xs:double (extension)       double1Type (extension)           complexType

<xs:element name="q" nillable="true"> <xs:annotation> <xs:documentation> Periapsis distance; required (instead of a) for open orbits (e&gt;=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>

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