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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169639074061191 4.4574e-08  
a 2.770274081535134 1.9375e-08 au
q 2.169224592219374 1.2615e-07 au
i 14.43243858018496 5.4565e-06 deg
node 113.4834634747393 1.7396e-05 deg
peri 235.1124092920663 2.1257e-05 deg
M 124.1349832868806 1.1162e-05 deg
tp 2458419.770050087357
(2018-Oct-28.27005009)
5.16e-05 TDB
period 1684.156846304957
4.61
1.7668e-05
4.837e-08
d
yr
n .213756812965396 2.2425e-09 deg/d
Q 3.371323570850895 2.3579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-09-25  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:34:42  

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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