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487466 (2014 SJ138)
Classification: Main-belt Asteroid          SPK-ID: 2487466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0257742021768215 7.0588e-08  
a 2.923609300285438 5.7248e-08 au
q 2.848255603093846 2.176e-07 au
i 6.362851486273434 1.7651e-05 deg
node 25.24856520435379 0.00010567 deg
peri 251.1556601316876 0.00046725 deg
M 127.9631904135957 0.00045539 deg
tp 2458351.477149187640
(2018-Aug-20.97714919)
0.0023096 TDB
period 1825.90185144075
5.00
5.3631e-05
1.468e-07
d
yr
n .1971628429621985 5.7911e-09 deg/d
Q 2.99896299747703 5.8724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4605 days (12.61 yr)  
   first obs. used      2007-02-23  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:27:19  

Additional Information
 Earth MOID = 1.84042 au 
 Jupiter MOID = 2.01545 au 
 T_jup = 3.269 
[ 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 16.7   n/a MPO495389  

487466 (2014 SJ138)          Discovered 2007-Feb-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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