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78961 (2003 SM245)
Classification: Main-belt Asteroid          SPK-ID: 2078961
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044084223813566 3.4221e-08  
a 2.698177796073965 1.963e-08 au
q 2.14664752947408 9.5233e-08 au
i 14.72323971786044 6.4776e-06 deg
node 2.453541753211502 1.786e-05 deg
peri 252.5016946675755 2.5265e-05 deg
M .9956315817094962 1.8956e-05 deg
tp 2458996.022862460586
(2020-May-26.52286246)
8.5228e-05 TDB
period 1618.841290090001
4.43
1.7667e-05
4.837e-08
d
yr
n .2223812811075417 2.4269e-09 deg/d
Q 3.249708062673849 2.3643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      10018 days (27.43 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:53  

Additional Information
 Earth MOID = 1.18665 au 
 Jupiter MOID = 1.99448 au 
 T_jup = 3.292 
[ 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 15.1   n/a MPO432338  

78961 (2003 SM245)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SM245 = 1993 FG46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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