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246880 (1995 SR54)
Classification: Main-belt Asteroid          SPK-ID: 2246880
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237683312417432 8.5619e-08  
a 2.413453470837403 2.3825e-08 au
q 1.873399015138524 1.9904e-07 au
i 1.413983404531826 7.2157e-06 deg
node 144.0932947844821 0.00030054 deg
peri 222.5941785612391 0.00030149 deg
M 191.836222534924 1.6368e-05 deg
tp 2458240.215356415924
(2018-May-01.71535642)
6.4463e-05 JED
period 1369.483558119764
3.75
2.0279e-05
5.552e-08
d
yr
n .2628728164464149 3.8926e-09 deg/d
Q 2.953507926536282 2.9157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1992-12-25  
   last obs. used      2016-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56931  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 18:29:38  

Additional Information
 Earth MOID = .871134 au 
 Jupiter MOID = 2.49929 au 
 T_jup = 3.483 
[ 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 17.2 mag n/a MPO314701  

246880 (1995 SR54)          Discovered 1995-Sep-17 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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