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78931 (2003 SN142)
Classification: Main-belt Asteroid          SPK-ID: 2078931
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09204612951365966 5.7244e-08  
a 2.707343103228686 1.9451e-08 au
q 2.458142649310985 1.6101e-07 au
i 4.491651716620131 5.3567e-06 deg
node 138.7980752676969 7.4257e-05 deg
peri 242.7024681328054 8.0293e-05 deg
M 268.1455880055258 3.4711e-05 deg
tp 2459415.655593798273
(2021-Jul-20.15559380)
0.0001592 TDB
period 1627.096734083599
4.45
1.7535e-05
4.801e-08
d
yr
n .2212529792844532 2.3844e-09 deg/d
Q 2.956543557146387 2.1241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      8991 days (24.62 yr)  
   first obs. used      1995-11-28  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:00  

Additional Information
 Earth MOID = 1.46444 au 
 Jupiter MOID = 2.47193 au 
 T_jup = 3.354 
[ 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 15.5   n/a MPO432338  

78931 (2003 SN142)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SN142 = 2000 AQ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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