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58657 (1997 WG54)
Classification: Main-belt Asteroid          SPK-ID: 2058657
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09221698376500541 3.7766e-08  
a 2.402462414291091 1.0543e-08 au
q 2.180914576836374 9.5242e-08 au
i 2.334528079852325 4.0373e-06 deg
node 99.9331379524 0.00011947 deg
peri 310.2157763513194 0.0001231 deg
M 20.62091173540216 2.9346e-05 deg
tp 2458922.590809409242
(2020-Mar-14.09080941)		 0.0001108 TDB
period 1360.139113758054
3.72		 8.9534e-06
2.451e-08		 d
yr
n .264678808482555 1.7423e-09 deg/d
Q 2.624010251745808 1.1515e-08 au
   Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1995-02-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:40:37  

Additional Information
 Earth MOID = 1.19218 au 
 Jupiter MOID = 2.65636 au 
 T_jup = 3.518 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO449377  

58657 (1997 WG54)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WG54 = 2002 AJ132 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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