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32912 (1994 WS2)
Classification: Main-belt Asteroid          SPK-ID: 2032912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013779046179749 4.9868e-08  
a 2.189190743388665 9.8335e-09 au
q 1.967255173014855 1.1079e-07 au
i 4.65309320539872 3.7254e-06 deg
node 57.852057149378 7.5154e-05 deg
peri 313.1813773605153 7.8905e-05 deg
M 247.7582907101648 2.5763e-05 deg
tp 2458969.371925382542
(2020-Apr-29.87192538)
8.5537e-05 TDB
period 1183.106475996452
3.24
7.9715e-06
2.182e-08
d
yr
n .3042836864676917 2.0502e-09 deg/d
Q 2.411126313762474 1.083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1994-11-30  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54561  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:02:43  

Additional Information
 Earth MOID = .970038 au 
 Jupiter MOID = 2.98858 au 
 T_jup = 3.663 
[ 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 15.2   n/a MPO435992  
diameter diameter 4.084 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32912 (1994 WS2)          Discovered 1994-Nov-30 by Kobayashi, T. at Oizumi
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 WS2 = 1999 GG59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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