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120922 (1998 SO93)
Classification: Main-belt Asteroid          SPK-ID: 2120922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915795411105226 4.4105e-08  
a 2.185386227262012 1.1071e-08 au
q 1.766710936693899 1.0103e-07 au
i 2.708560675497679 3.8709e-06 deg
node 14.08298320819186 8.3799e-05 deg
peri 338.5119631291789 8.4625e-05 deg
M 325.1160162900374 1.4886e-05 deg
tp 2459314.844243019521
(2021-Apr-10.34424302)
4.9488e-05 TDB
period 1180.023698820593
3.23
8.9668e-06
2.455e-08
d
yr
n .3050786186411441 2.3183e-09 deg/d
Q 2.604061517830124 1.3192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      8988 days (24.61 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:45  

Additional Information
 Earth MOID = .760012 au 
 Jupiter MOID = 2.82727 au 
 T_jup = 3.652 
[ 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 17.06   n/a E2021B55  

120922 (1998 SO93)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 SO93 = 1995 VW18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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