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52625 (1997 WD)
Classification: Main-belt Asteroid          SPK-ID: 2052625
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06246014323387353 5.6024e-08  
a 2.604266566070122 1.1966e-08 au
q 2.441603703334194 1.4412e-07 au
i 15.01376607327183 5.7123e-06 deg
node 59.20651341106066 1.5791e-05 deg
peri 16.79941878669905 4.4839e-05 deg
M 166.0066454168446 4.0024e-05 deg
tp 2458492.636444909978
(2019-Jan-09.13644491)
0.0001704 TDB
period 1535.064329458165
4.20
1.058e-05
2.897e-08
d
yr
n .234517859018371 1.6164e-09 deg/d
Q 2.76692942880605 1.2714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      8228 days (22.53 yr)  
   first obs. used      1997-11-18  
   last obs. used      2020-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:36  

Additional Information
 Earth MOID = 1.45781 au 
 Jupiter MOID = 2.49962 au 
 T_jup = 3.362 
[ 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 14.63   n/a E2021B10  

52625 (1997 WD)          Discovered 1997-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WD = 1999 HO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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