(15810) 1994 JR1

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(15810) 1994 JR1
Discovery
Discovered by: M. J. Irwin, A. Zytkow
Discovery date: May 12, 1994
MPC designation: (15810) 1994 JR1
Minor planet category: plutino
Orbital characteristics[1]
Aphelion distance: 44.507 AU
Perihelion distance: 34.756 AU
Semi-major axis: 39.631 AU
Eccentricity: 0.123
Mean anomaly: 15.6°
Inclination: 3.8°
Longitude of ascending node: 144.7°
Argument of perihelion: 102.8°
Physical characteristics
Dimensions: 127 km
Absolute magnitude: 7.7

(15810) 1994 JR1, also written as 1994 JR1, is a Plutino, with 2:3 resonance with Neptune, similar to Pluto. It has a perihelion (closest approach to the Sun) at 34.756 AU and an aphelion (farthest distance from the Sun) at 44.507[2], so it is in a relatively eccentric orbit. It is about 127 km in diameter[2], so it is unlikely to be classified as a dwarf planet due to its relatively small size. It was discovered on May 12, 1994 by M. J. Irwin and A. Zytkow.[3]

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[edit] References

  1. ^ http://cfa-www.harvard.edu/iau/lists/TNOs.html
  2. ^ a b List of Known Trans-Neptunian Objects, Johnston's Archive, updated September 21, 2006, accessed January 25, 2007
  3. ^ Minor Planet Electronic Circular 1994-K06, Minor Planet Center, published May 26, 1994, accessed January 25, 2007


Minor planets
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Small Solar System bodies

Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)

For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.


 v • d • e 
Trans-Neptunian objects
Plutinos : Pluto* | 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 | Unnumbered: 1993 RO | 1993 RP | 2003 AZ84 | 2001 QF298

Cubewanos: 1992 QB1 | 1994 GV9 | 1994 JQ1 | 1994 VK8 | 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 | Unnumbered: 1998 WW31 | 2002 MS4 | 2003 MW12 | 2003 QW90

Twotinos: 1996 TR66 | 1998 SM165 | 1999 RB216 | 2000 JG81 | 2002 WC19 | Unnumbered: 1997 SZ10

Other Orbital Resonances: 1994 JS | 1995 DA2 | 1998 WA31 | 1999 CP133 | 1999 DE9 | 1999 HB12 | 2001 KC77 | 2001 KP77 | 2002 TC302 | 2003 LG7

Scattered disc objects: Eris* | 1995 TL8 | 1996 GQ21 | 1996 TL66 | 1999 CC158 | 2000 EE173 | 2000 OO67 | 2000 OM67 | 2001 UR163 | 2002 CY224 | 2002 GX32 | 2002 RP120 | 90377 Sedna** | 2005 RM43 Unnumbered: 2000 CR105 | 2004 XR190 | 2005 TN74 | 2006 QH181

Unclassified Objects : 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 | (58534) Logos I Zoë | S/2005 (79360) 1 (1997 CS29)
* - Also classified as a dwarf planet   ** - Currently classified as an SDO, though may be part of the Inner Oort Cloud
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