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26812 (1985 RQ2)
Classification: Main-belt Asteroid          SPK-ID: 2026812
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861509469187015 5.719e-08  
a 2.181432982628154 1.291e-08 AU
q 1.775357167272236 1.2522e-07 AU
i 4.247006919547745 6.3679e-06 deg
node 55.07365172677564 7.5637e-05 deg
peri 309.7091388990116 7.7281e-05 deg
M 302.7563255463036 1.4389e-05 deg
tp 2456987.626908271173
(2014-Nov-26.12690827)
4.7145e-05 JED
period 1176.823249389999
3.22
1.0447e-05
2.86e-08
d
yr
n .3059083003217384 2.7155e-09 deg/d
Q 2.587508797984073 1.5313e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      11616 days (31.80 yr)  
   first obs. used      1982-09-15  
   last obs. used      2014-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54559  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:55:55  

Additional Information
 Earth MOID = .776019 AU 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO259527  

26812 (1985 RQ2)          Discovered 1985-Sep-04 by Debehogne, H. at La Silla (809)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 RQ2 = 1982 RS = 1998 RL40 = 2000 DG112 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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