(26181) 1996 GQ21

The correct title of this article is (26181) 1996 GQ₂₁. It features superscript or subscript characters that are substituted or omitted because of technical limitations.

**(26181) 1996 GQ₂₁**
Discovery
Discovered by	Nichole M. Danzl^[1]
Designations
MPC designation	(26181) 1996 GQ₂₁
Alternative names	none
Minor planet category	SDO
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion	22661.100 Gm (151.480 AU)
Perihelion	5727.795 Gm (38.288 AU)
Semi-major axis	14194.448 G m (94.884 AU)
Eccentricity	0.596
Orbital period	337588.825 d (924.27 a)
Average orbital speed	2.76 km/s
Mean anomaly	6.618°
Inclination	13.333°
Longitude of ascending node	194.140°
Argument of perihelion	356.879°
Physical characteristics
Dimensions	401 km^[2]
Mass	6.8×10¹⁹? kg
Mean density	2.0? g/cm³
Equatorial surface gravity	0.1121? m/s²
Escape velocity	0.2120? km/s
Sidereal rotation period	? d
Albedo	0.10?
Temperature	~29 K
Spectral type	?
Absolute magnitude	5.2

(26181) 1996 GQ₂₁, also written as (26181) 1996 GQ21, is a trans-Neptunian object that resides in the scattered disc region of the Solar System. It was discovered on April 12, 1996 by Nichole M. Danzl.

References

v • d • e Minor planets navigator

(26180) 1996 GS9 · (26181) 1996 GQ₂₁ · (26182) 1996 HW8

v • d • e Small Solar System bodies

Asteroids (Vulcanoids · Near-Earth · Main belt · Jupiter Trojans · Centaurs · Damocloids · Neptune Trojans · Groups · Families · Moons) Comets · Trans-Neptunians (Kuiper belt · Scattered disc objects · Oort cloud) · Minor planets · Meteoroids

Lists: Minor planets · Asteroid groups and families · Binary asteroids · Asteroid moons See also: Near-Earth object · Dwarf planet · Planet · Solar System · Pronunciation of asteroid names · Meanings of asteroid names.

v • d • e Trans-Neptunian objects

Pronunciation guide Objects in italics are unnnumbered.

Plutinos	Pluto¹ · 1993 SB · 1993 SC · 1994 JR₁ · 1994 TB · 1995 QZ₉ · 1996 SZ₄ · 1996 TP₆₆ · 1996 TQ₆₆ · 1997 QJ₄ · 1998 HK₁₅₁ · 1998 US₄₃ · 1998 VG₄₄ · 1998 WW₂₄ · 1998 WU₃₁ · 38083 Rhadamanthus · 1999 TC₃₆ · 38628 Huya · 28978 Ixion · 2002 KX₁₄ · 2002 VR₁₂₈ · 2003 VS₂ · 90482 Orcus · 1993 RO · 1993 RP · 2003 AZ₈₄ · 2001 QF₂₉₈

Cubewanos	1992 QB₁ · 1994 GV₉ · 1994 JQ₁ · 1994 VK₈ · 1995 GJ · 1995 SM₅₅ · 1996 TO₆₆ · 58534 Logos · 1997 CS₂₉ · 1997 CU₂₉ · 1998 HJ₁₅₁ · 1998 HP₁₅₁ · 1998 HM₁₅₁ · 1998 KR₆₅ · 19521 Chaos · 1998 WA₂₅ · 1999 DF₉ · 1999 HT₁₁ · 53311 Deucalion · 20000 Varuna · 2002 AW₁₉₇ · 50000 Quaoar · 2002 TX₃₀₀ · 2002 UX₂₅ · 2003 EL₆₁ · 2003 OP₃₂ · 2004 GV₉ · 2005 FY₉ · 2005 RN₄₃ · 88611 Teharonhiawako · 1998 WW₃₁ · 2002 MS₄ · 2003 MW₁₂ · 2003 QW₉₀

Twotinos	1996 TR₆₆ · 1998 SM₁₆₅ · 1999 RB₂₁₆ · 2000 JG₈₁ · 2002 WC₁₉ · 1997 SZ₁₀

Other resonant objects	1994 JS · 1995 DA₂ · 1998 WA₃₁ · 1999 CP₁₃₃ · 1999 DE₉ · 1999 HB₁₂ · 2001 KC₇₇ · 2001 KP₇₇ · 2002 TC₃₀₂ · 2003 LG₇

Scattered disc objects	Eris^{1, 2} · 1995 TL₈ · 1996 GQ₂₁ · 1996 TL₆₆ · 1999 CC₁₅₈ · 2000 EE₁₇₃ · 2000 OO₆₇ · 2000 OM₆₇ · 2001 UR₁₆₃ · 2002 CY₂₂₄ · 2002 GX₃₂ · 2002 RP₁₂₀ · 90377 Sedna² · 2005 RM₄₃ · 2000 CR₁₀₅ 2004 XR₁₉₀ · 2005 TN₇₄ · 2006 QH₁₈₁

Unclassified	1997 CR₂₉ · 1998 SN₁₆₅ · 1999 CL₁₅₈ · 1999 HC₁₂ · 1999 KR₁₆ · 1999 OY₃ · 2003 FY₁₂₈ · 2004 SB₆₀ · 2004 TY₃₆₄ · 2005 RR₄₃

Natural satellites	Charon (Pluto) · Hydra (Pluto) · Nix (Pluto) · Dysnomia (Eris) · S/2000 (1998 WW₃₁) 1 · S/2005 (2003 EL₆₁) 1 · S/2005 (2003 EL₆₁) 2 · Zoe (Logos) · S/2005 (79360) 1 · Sawiskera (Teharonhiawako)

¹ Also classified as a dwarf planet. ² Although currently classified as an SDO, Eris and Sedna may be part of the inner Oort Cloud.

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