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JPL Small-Body Database Browser
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71787 (2000 SJ180)
Classification: Main-belt Asteroid          SPK-ID: 2071787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05423827345835292 6.4416e-08  
a 2.181382768088264 1.2087e-08 au
q 2.063068332995354 1.4562e-07 au
i 5.535391522831904 4.3717e-06 deg
node 263.7715142356904 6.6915e-05 deg
peri 147.5746319773671 8.3931e-05 deg
M 250.0610166884438 5.1199e-05 deg
tp 2458959.873012041378
(2020-Apr-20.37301204)
0.00016828 TDB
period 1176.782615573788
3.22
9.7804e-06
2.678e-08
d
yr
n .3059188632086203 2.5425e-09 deg/d
Q 2.299697203181174 1.2742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:40:44  

Additional Information
 Earth MOID = 1.07611 au 
 Jupiter MOID = 2.87755 au 
 T_jup = 3.672 
[ 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 16.4   n/a MPO337802  

71787 (2000 SJ180)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SJ180 = 1997 WS42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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