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146717 (2001 WU62)
Classification: Main-belt Asteroid          SPK-ID: 2146717
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09290255997617172 5.5087e-08  
a 2.74681544461108 1.871e-08 au
q 2.491629258024624 1.5058e-07 au
i 2.629028643102788 5.5808e-06 deg
node 41.50426181266207 0.00010207 deg
peri 306.0243793637364 0.00010514 deg
M 86.35830709828949 2.3563e-05 deg
tp 2458601.618157491257
(2019-Apr-28.11815749)
0.00010883 TDB
period 1662.810077317874
4.55
1.6989e-05
4.651e-08
d
yr
n .2165009732083671 2.2121e-09 deg/d
Q 3.002001631197535 2.0448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-12-03  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:03  

Additional Information
 Earth MOID = 1.48598 au 
 Jupiter MOID = 2.36056 au 
 T_jup = 3.340 
[ 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 16.1   n/a MPO502888  
rotation period rot_per 28.627 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

146717 (2001 WU62)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 WU62 = 2001 XR219 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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