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56002 (1998 SJ147)
Classification: Main-belt Asteroid          SPK-ID: 2056002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541292262966424 3.8597e-08  
a 2.368602350419883 8.6765e-09 au
q 2.003531502745258 9.2038e-08 au
i 3.73911640446021 4.5063e-06 deg
node 171.3697402817077 6.2901e-05 deg
peri 262.5682910516238 6.4707e-05 deg
M 300.6084306217615 1.3453e-05 deg
tp 2459220.164037236459
(2021-Jan-05.66403724)
4.9523e-05 TDB
period 1331.486172751319
3.65
7.3161e-06
2.003e-08
d
yr
n .2703745689345863 1.4856e-09 deg/d
Q 2.733673198094509 1.0014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      9576 days (26.22 yr)  
   first obs. used      1994-08-11  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:01:21  

Additional Information
 Earth MOID = 1.02247 au 
 Jupiter MOID = 2.52728 au 
 T_jup = 3.527 
[ 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 15.9   n/a MPO296544  
diameter diameter 1.434 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.451   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56002 (1998 SJ147)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SJ147 = 2000 GL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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