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JPL Small-Body Database Browser
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295556 (2008 SJ54)
Classification: Main-belt Asteroid          SPK-ID: 2295556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588330710914632 7.1611e-08  
a 2.184034441857697 1.844e-08 au
q 1.837137544087909 1.631e-07 au
i 1.376009895163761 6.9954e-06 deg
node 9.733260629336677 0.00025641 deg
peri 147.6844618160745 0.00025714 deg
M 327.5667056564553 2.1079e-05 deg
tp 2458706.712642472661
(2019-Aug-11.21264247)
6.9883e-05 TDB
period 1178.929000709676
3.23
1.4931e-05
4.088e-08
d
yr
n .3053619003207929 3.8673e-09 deg/d
Q 2.530931339627484 2.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1997-04-03  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:38:10  

Additional Information
 Earth MOID = .847074 au 
 Jupiter MOID = 2.45422 au 
 T_jup = 3.661 
[ 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 17.9   n/a MPO418563  

295556 (2008 SJ54)          Discovered 2008-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 SJ54 = 2000 CO122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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