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266638 (2008 RQ115)
Classification: Main-belt Asteroid          SPK-ID: 2266638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391979013116535 4.1129e-08  
a 2.742570069693325 2.3069e-08 au
q 2.360810071791859 1.1638e-07 au
i 2.474378195242362 6.7408e-06 deg
node 325.9446635447083 0.00010752 deg
peri 272.831754544383 0.00011025 deg
M 305.9866331750721 2.4527e-05 deg
tp 2459249.405087458404
(2021-Feb-03.90508746)
0.00011374 TDB
period 1658.956601899348
4.54
2.0931e-05
5.731e-08
d
yr
n .2170038683277393 2.738e-09 deg/d
Q 3.124330067594791 2.628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      7493 days (20.51 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:25:01  

Additional Information
 Earth MOID = 1.35027 au 
 Jupiter MOID = 1.89507 au 
 T_jup = 3.334 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO470832  

266638 (2008 RQ115)          Discovered 2008-Sep-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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