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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171303352310817 4.4485e-08  
a 2.770024634310999 1.9281e-08 au
q 2.168568256864698 1.2598e-07 au
i 14.43220928174862 5.4079e-06 deg
node 113.4826771105709 1.7305e-05 deg
peri 235.1249486743691 2.1029e-05 deg
M 166.8615694353718 1.1144e-05 deg
tp 2458419.991391907436
(2018-Oct-28.49139191)
5.1005e-05 TDB
period 1683.929378490908
4.61
1.7582e-05
4.814e-08
d
yr
n .213785687569999 2.2321e-09 deg/d
Q 3.371481011757301 2.3468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      7424 days (20.33 yr)  
   first obs. used      2000-09-25  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:31:57  

Additional Information
 Earth MOID = 1.19297 au 
 Jupiter MOID = 2.12714 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177683027673041 4.5178e-08  
q 2.166233585641579 1.2815e-07 au
tp 2456730.663358624820
(2014-Mar-14.16335863)
5.1716e-05 TDB
node 113.7790898497903 1.7255e-05 deg
peri 234.0178256171436 2.0932e-05 deg
i 14.45850798159113 5.4152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      7424 days (20.33 yr)  
   first obs. used      2000-09-25  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:31:57  

Additional Information
 Jupiter MOID = 2.12714 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.041034915327421E-15 -5.750996569152206E-15 -3.522882585281782E-13 3.627092780527015E-15 -1.68127518061518E-13 1.961232684247857E-15
q -5.750996569152206E-15 1.642159739310278E-14 7.989895552756038E-13 -1.011718156251561E-14 4.499693629239506E-13 -3.239408977066812E-15
tp -3.522882585281782E-13 7.989895552756038E-13 2.674570474406282E-9 -2.199951218763475E-11 6.186224053051658E-10 -4.506641853685517E-12
node 3.627092780527015E-15 -1.011718156251561E-14 -2.199951218763475E-11 2.977520020941585E-10 -2.927115239151688E-10 1.368446405885699E-12
peri -1.68127518061518E-13 4.499693629239506E-13 6.186224053051658E-10 -2.927115239151688E-10 4.381633189421045E-10 -2.410993062688401E-12
i 1.961232684247857E-15 -3.239408977066812E-15 -4.506641853685517E-12 1.368446405885699E-12 -2.410993062688401E-12 2.932457992765154E-11

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 15.05   n/a E2021B55  
rotation period rot_per 10.427 h n/a LCDB (Rev. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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

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