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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05443270329214464 6.1715e-08  
a 2.181293713043245 1.1812e-08 au
q 2.062559999568141 1.4045e-07 au
i 5.535440578972725 3.9244e-06 deg
node 263.7724289023591 6.5307e-05 deg
peri 147.7268520001055 8.2325e-05 deg
M 12.30391522087291 5.0974e-05 deg
tp 2458960.282925323002
(2020-Apr-20.78292532)
0.00016651 TDB
period 1176.710553008199
3.22
9.5581e-06
2.617e-08
d
yr
n .3059375978907293 2.485e-09 deg/d
Q 2.300027426518348 1.2455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:31:37  

Additional Information
 Earth MOID = 1.07607 au 
 Jupiter MOID = 2.87598 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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