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266633 (2008 RB78)
Classification: Main-belt Asteroid          SPK-ID: 2266633
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08156565253406749 5.1858e-08  
a 3.10258739544885 4.5107e-08 au
q 2.849522829995092 1.659e-07 au
i 10.78801884842807 6.0193e-06 deg
node 89.07646141640079 4.3397e-05 deg
peri 214.2525918117989 7.0897e-05 deg
M 99.95588364384506 5.7074e-05 deg
tp 2458446.269624107756
(2018-Nov-23.76962411)
0.00031711 TDB
period 1996.109964193125
5.47
4.353e-05
1.192e-07
d
yr
n .1803507855067096 3.933e-09 deg/d
Q 3.355651960902609 4.8786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6288 days (17.22 yr)  
   first obs. used      2002-08-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:28  

Additional Information
 Earth MOID = 1.841 au 
 Jupiter MOID = 1.82355 au 
 T_jup = 3.189 
[ 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 15.0   n/a MPO454981  

266633 (2008 RB78)          Discovered 2008-Sep-09 by BATTeRS at Bisei SG Center
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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