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101223 (1998 SW62)
Classification: Main-belt Asteroid          SPK-ID: 2101223
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283292479150847 5.0152e-08  
a 2.349206422167181 1.2917e-08 au
q 2.04773452881318 1.1853e-07 au
i 6.477168038168781 6.8646e-06 deg
node 8.003788019623075 3.7818e-05 deg
peri 313.5749548237713 4.5465e-05 deg
M 47.33448344572233 2.7772e-05 deg
tp 2458827.575974336909
(2019-Dec-10.07597434)
0.00010082 TDB
period 1315.164858830599
3.60
1.0847e-05
2.97e-08
d
yr
n .2737299415984245 2.2576e-09 deg/d
Q 2.650678315521183 1.4575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      8079 days (22.12 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:45  

Additional Information
 Earth MOID = 1.04199 au 
 Jupiter MOID = 2.6547 au 
 T_jup = 3.539 
[ 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 16.1   n/a MPO337990  

101223 (1998 SW62)          Discovered 1998-Sep-25 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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