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357117 (2001 WG23)
Classification: Mars-crossing Asteroid          SPK-ID: 2357117
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4858920596087852 1.0288e-07  
a 3.087792630585381 3.0497e-08 au
q 1.587458709665421 3.311e-07 au
i 24.87110732300283 1.7239e-05 deg
node 20.24090096767766 1.17e-05 deg
peri 53.34817696743237 2.7141e-05 deg
M 152.7038502984562 1.984e-05 deg
tp 2458159.844413809995
(2018-Feb-10.34441381)
9.806e-05 TDB
period 1981.849248967244
5.43
2.9361e-05
8.039e-08
d
yr
n .1816485286091253 2.6911e-09 deg/d
Q 4.588126551505341 4.5316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      6444 days (17.64 yr)  
   first obs. used      2001-10-04  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:30  

Additional Information
 Earth MOID = .695284 au 
 Jupiter MOID = 1.59281 au 
 T_jup = 2.907 
[ 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 16.3   n/a MPO437508  

357117 (2001 WG23)          Discovered 2001-Nov-27 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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