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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860662748111874 5.1513e-08  
a 2.181225266422404 1.2e-08 AU
q 1.775372806575147 1.1466e-07 AU
i 4.24699724426487 5.4426e-06 deg
node 55.06990110150767 7.4682e-05 deg
peri 309.7147369378995 7.6361e-05 deg
M 3.93611349180504 1.3681e-05 deg
tp 2456987.634865887804
(2014-Nov-26.13486589)
4.472e-05 JED
period 1176.655167599475
3.22
9.7104e-06
2.659e-08
d
yr
n .3059519984384597 2.5249e-09 deg/d
Q 2.58707772626966 1.4233e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      11676 days (31.97 yr)  
   first obs. used      1982-09-15  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:22:07  

Additional Information
 Earth MOID = .777472 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 15.1 mag n/a MPO302224  

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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