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58633 (1997 WY2)
Classification: Main-belt Asteroid          SPK-ID: 2058633
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04736382050390907 3.6662e-08  
a 2.75329366655733 1.4535e-08 au
q 2.622887159539959 1.0526e-07 au
i 2.844900551058066 4.1362e-06 deg
node 37.7967322685706 8.351e-05 deg
peri 35.95149275114449 9.6777e-05 deg
M 334.868948606615 4.8137e-05 deg
tp 2459116.989126322267
(2020-Sep-24.48912632)
0.0002232 TDB
period 1668.696021490552
4.57
1.3214e-05
3.618e-08
d
yr
n .215737315462904 1.7084e-09 deg/d
Q 2.883700173574701 1.5224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      10227 days (28.00 yr)  
   first obs. used      1992-10-23  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:21  

Additional Information
 Earth MOID = 1.63815 au 
 Jupiter MOID = 2.23624 au 
 T_jup = 3.341 
[ 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 15.2   n/a MPO452965  

58633 (1997 WY2)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WY2 = 2001 SP34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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