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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235548875481548 1.5666e-07  
a 2.41228162687841 3.7573e-08 AU
q 1.873004279047127 3.9291e-07 AU
i 1.412061405834593 1.4056e-05 deg
node 144.075281668767 0.00032391 deg
peri 222.2412335748732 0.00032546 deg
M 341.9395232837405 2.8713e-05 deg
tp 2456869.154206069472
(2014-Jul-30.65420607)
0.0001101 JED
period 1368.486257218178
3.75
3.1973e-05
8.754e-08
d
yr
n .2630643881888871 6.1461e-09 deg/d
Q 2.951558974709692 4.5972e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1992-12-25  
   last obs. used      2013-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58977  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 04:02:23  

Additional Information
 Earth MOID = .870396 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 17.3 mag n/a MPO264596  

246880 (1995 SR54)          Discovered 1995-Sep-17 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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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