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123507 (2000 WP182)
Classification: Main-belt Asteroid          SPK-ID: 2123507
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169639046695536 4.4646e-08  
a 2.770274084022593 1.9505e-08 au
q 2.16922460174818 1.2645e-07 au
i 14.43243860133954 5.4615e-06 deg
node 113.4834634814415 1.7553e-05 deg
peri 235.1124077044801 2.1438e-05 deg
M 124.1349840172433 1.1182e-05 deg
tp 2458419.770045888399
(2018-Oct-28.27004589)
5.1743e-05 TDB
period 1684.156848573291
4.61
1.7787e-05
4.87e-08
d
yr
n .2137568126774942 2.2575e-09 deg/d
Q 3.371323566297007 2.3737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-09-25  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:01:13  

Additional Information
 Earth MOID = 1.19538 au 
 Jupiter MOID = 2.12682 au 
 T_jup = 3.258 
[ 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 15.1   n/a MPO469285  
rotation period rot_per 10.427 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.]

123507 (2000 WP182)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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