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100394 (1995 WX32)
Classification: Main-belt Asteroid          SPK-ID: 2100394
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 .1706435530659081 3.4299e-08  
a 2.267931123011615 6.3436e-09 au
q 1.880923298072158 7.7038e-08 au
i 3.886473686587883 3.8625e-06 deg
node 83.83083542248755 4.9156e-05 deg
peri 321.8277215689711 5.0282e-05 deg
M 120.9792168448861 9.6364e-06 deg
tp 2458781.270836768372
(2019-Oct-24.77083677)
3.3238e-05 TDB
period 1247.507652135752
3.42
5.2341e-06
1.433e-08
d
yr
n .2885753841939763 1.2108e-09 deg/d
Q 2.654938947951072 7.4261e-09 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      9881 days (27.05 yr)  
   first obs. used      1993-01-25  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:26  

Additional Information
 Earth MOID = .891441 au 
 Jupiter MOID = 2.72565 au 
 T_jup = 3.592 
[ 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 16.68   n/a E2021B55  
diameter diameter 2.926 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.798 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.039   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100394 (1995 WX32)          Discovered 1995-Nov-20 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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