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JPL Small-Body Database Browser
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136996 (1998 SJ63)
Classification: Mars-crossing Asteroid          SPK-ID: 2136996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3249368809304968 5.3675e-08  
a 2.46713212302095 1.5519e-08 au
q 1.665469906123088 1.2857e-07 au
i 3.511784828668634 4.5371e-06 deg
node 296.945619352157 6.9994e-05 deg
peri 97.22270082008457 7.1385e-05 deg
M 201.9868569200108 2.2652e-05 deg
tp 2459621.766233593627
(2022-Feb-11.26623359)
9.4508e-05 TDB
period 1415.425576216067
3.88
1.3355e-05
3.656e-08
d
yr
n .2543404655456398 2.3998e-09 deg/d
Q 3.268794339918812 2.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      7911 days (21.66 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:42:24  

Additional Information
 Earth MOID = .6766 au 
 Jupiter MOID = 2.19596 au 
 T_jup = 3.409 
[ 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 15.1   n/a MPO417725  

136996 (1998 SJ63)          Discovered 1998-Sep-26 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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