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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859355608381761 4.7179e-08  
a 2.182061257416835 1.007e-08 au
q 1.77633847373578 1.04e-07 au
i 4.247714762981554 4.1843e-06 deg
node 55.02248720364798 7.3169e-05 deg
peri 310.0040639812569 7.4108e-05 deg
M 187.1785680814137 1.199e-05 deg
tp 2458165.689302140325
(2018-Feb-16.18930214)
4.047e-05 JED
period 1177.331691513631
3.22
8.15e-06
2.231e-08
d
yr
n .3057761908516773 2.1167e-09 deg/d
Q 2.58778404109789 1.1942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      12254 days (33.55 yr)  
   first obs. used      1982-09-15  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54134  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:48:02  

Additional Information
 Earth MOID = .777271 au 
 Jupiter MOID = 2.86534 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 15.2 mag n/a MPO365569  

26812 (1985 RQ2)          Discovered 1985-Sep-04 by Debehogne, H. at La Silla
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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