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187227 (2005 SJ143)
Classification: Main-belt Asteroid          SPK-ID: 2187227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03857530128140987 4.0758e-08  
a 2.841362826340815 2.0585e-08 au
q 2.73175639926492 1.191e-07 au
i 3.065619669350098 4.3937e-06 deg
node 73.23874605481181 0.00012274 deg
peri 8.033636212789682 0.00015113 deg
M 357.6936810785728 8.9428e-05 deg
tp 2459211.707411794938
(2020-Dec-28.20741179)
0.0004346 TDB
period 1749.397365946653
4.79
1.9011e-05
5.205e-08
d
yr
n .2057851503653047 2.2363e-09 deg/d
Q 2.95096925341671 2.1379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6466 days (17.70 yr)  
   first obs. used      2003-04-04  
   last obs. used      2020-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:25  

Additional Information
 Earth MOID = 1.74705 au 
 Jupiter MOID = 2.13418 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO494033  

187227 (2005 SJ143)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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