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79654 (1998 SS22)
Classification: Main-belt Asteroid          SPK-ID: 2079654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293394013395681 6.3507e-08  
a 2.423193913642133 9.9444e-09 au
q 2.109779463521975 1.5412e-07 au
i 6.805720566184718 5.6515e-06 deg
node 358.688577214024 3.2047e-05 deg
peri 20.73558728243575 3.6573e-05 deg
M 261.7654865169973 1.5672e-05 deg
tp 2459376.460552330308
(2021-Jun-10.96055233)
6.0581e-05 TDB
period 1377.782553606573
3.77
8.4813e-06
2.322e-08
d
yr
n .2612894168659928 1.6084e-09 deg/d
Q 2.736608363762292 1.1231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:44:49  

Additional Information
 Earth MOID = 1.11292 au 
 Jupiter MOID = 2.73583 au 
 T_jup = 3.491 
[ 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 15.4   n/a MPO432345  

79654 (1998 SS22)          Discovered 1998-Sep-23 by Visnjan at Visnjan
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SS22 = 2000 EY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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