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79659 (1998 SJ28)
Classification: Main-belt Asteroid          SPK-ID: 2079659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771845991405885 3.3135e-08  
a 2.628568354200201 1.1832e-08 au
q 2.162826524047602 8.4559e-08 au
i 11.71815620222655 4.1373e-06 deg
node 17.62952457562967 1.8733e-05 deg
peri 33.72907630170197 2.6555e-05 deg
M 92.62200347598423 1.6425e-05 deg
tp 2458996.012459369077
(2020-May-26.51245937)
7.0364e-05 TDB
period 1556.601123020571
4.26
1.051e-05
2.877e-08
d
yr
n .2312731210815415 1.5616e-09 deg/d
Q 3.0943101843528 1.3929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1996-03-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:15  

Additional Information
 Earth MOID = 1.18161 au 
 Jupiter MOID = 2.36941 au 
 T_jup = 3.349 
[ 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 15.76   n/a MPCxxxxx  

79659 (1998 SJ28)          Discovered 1998-Sep-17 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SJ28 = 2002 RC222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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