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JPL Small-Body Database Browser
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39663 (1995 WM1)
Classification: Main-belt Asteroid          SPK-ID: 2039663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14976824725415 6.7148e-08  
a 2.68757850387544 2.0084e-08 au
q 2.285064581992085 1.8068e-07 au
i 14.23750819919689 7.1241e-06 deg
node 38.57390804605438 1.768e-05 deg
peri 5.485151401624154 2.381e-05 deg
M 121.6982742669812 1.4555e-05 deg
tp 2458056.470958294707
(2017-Oct-29.97095829)
6.4793e-05 TDB
period 1609.311686575354
4.41
1.8039e-05
4.939e-08
d
yr
n .2236981207575066 2.5075e-09 deg/d
Q 3.090092425758795 2.3092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1995-09-28  
   last obs. used      2019-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:53  

Additional Information
 Earth MOID = 1.29359 au 
 Jupiter MOID = 2.33228 au 
 T_jup = 3.314 
[ 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 MPO474253  

39663 (1995 WM1)          Discovered 1995-Nov-16 by Laurie, S. P. at Church Stretton
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WM1 = 2001 CT40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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