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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2234492574582458 8.7754e-08  
a 2.411981129079501 2.378e-08 AU
q 1.873025736783385 2.0427e-07 AU
i 1.412094545594144 7.4341e-06 deg
node 144.0769541500158 0.0003075 deg
peri 222.2475622966786 0.00030879 deg
M 34.55433279102611 1.7588e-05 deg
tp 2456869.171405572020
(2014-Jul-30.67140557)
6.6899e-05 JED
period 1368.230556787113
3.75
2.0234e-05
5.54e-08
d
yr
n .2631135507201025 3.8911e-09 deg/d
Q 2.950936521375617 2.9094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1992-12-25  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56825  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 22:40:53  

Additional Information
 Earth MOID = .871864 AU 
 T_jup = 3.484 
[ 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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