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85754 (1998 SJ156)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510171086448283 5.9413e-08  
a 3.245562502379172 2.5848e-08 au
q 2.755427037343796 1.9891e-07 au
i 3.295394417256075 7.0908e-06 deg
node 13.72129265449707 8.0523e-05 deg
peri 33.34854429335511 8.3203e-05 deg
M 306.0187636128321 2.3487e-05 deg
tp 2459716.738630011124
(2022-May-17.23863001)
0.00014158 TDB
period 2135.666289248048
5.85
2.5513e-05
6.985e-08
d
yr
n .1685656611299293 2.0137e-09 deg/d
Q 3.735697967414549 2.9751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      14526 days (39.77 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:18  

Additional Information
 Earth MOID = 1.76536 au 
 Jupiter MOID = 1.67301 au 
 T_jup = 3.162 
[ 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 14.53   n/a MPO614063  

85754 (1998 SJ156)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 SJ156 = 1981 UU4 = 2000 CB15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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