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146538 (2001 SJ245)
Classification: Main-belt Asteroid          SPK-ID: 2146538
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144441062540008 6.048e-08  
a 2.810012999234174 2.506e-08 au
q 2.488423572974695 1.7457e-07 au
i 9.207120547366054 7.5862e-06 deg
node 57.76839906875512 3.829e-05 deg
peri 284.4802059942984 5.0503e-05 deg
M 14.90433370258397 3.7316e-05 deg
tp 2458929.268681172885
(2020-Mar-20.76868117)
0.00017785 TDB
period 1720.524733911152
4.71
2.3016e-05
6.301e-08
d
yr
n .2092384915511423 2.7991e-09 deg/d
Q 3.131602425493653 2.7928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6054 days (16.57 yr)  
   first obs. used      2001-09-16  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:43:57  

Additional Information
 Earth MOID = 1.50097 au 
 Jupiter MOID = 2.28746 au 
 T_jup = 3.293 
[ 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 15.6   n/a MPO436736  

146538 (2001 SJ245)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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