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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4865142464536558 1.028e-07  
a 3.08698147918628 2.998e-08 au
q 1.585121011023575 3.3047e-07 au
i 24.88736193748962 1.7245e-05 deg
node 20.26014130509752 1.1696e-05 deg
peri 53.32386385739431 2.7092e-05 deg
M 79.97325931384778 1.8827e-05 deg
tp 2458160.409738943034
(2018-Feb-10.90973894)
9.7946e-05 TDB
period 1981.068363848396
5.42
2.8859e-05
7.901e-08
d
yr
n .1817201296883409 2.6472e-09 deg/d
Q 4.588841947348985 4.4566e-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 = .692636 au 
 Jupiter MOID = 1.59119 au 
 T_jup = 2.906 
[ 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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