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213235 (2000 WH177)
Classification: Main-belt Asteroid          SPK-ID: 2213235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065710324958158 3.9823e-08  
a 2.297714458832166 1.294e-08 au
q 2.052844656573857 9.0836e-08 au
i 3.543476231826741 4.9069e-06 deg
node 225.1655801806648 6.761e-05 deg
peri 215.9051796492369 7.2127e-05 deg
M 306.115869954041 2.5489e-05 deg
tp 2459586.914881768486
(2022-Jan-07.41488177)
9.079e-05 TDB
period 1272.162274461658
3.48
1.0746e-05
2.942e-08
d
yr
n .2829827666068321 2.3904e-09 deg/d
Q 2.542584261090475 1.4319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:39:38  

Additional Information
 Earth MOID = 1.06962 au 
 Jupiter MOID = 2.64803 au 
 T_jup = 3.584 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071796861990289 4.0073e-08  
q 2.051428119592436 9.151e-08 au
tp 2457041.037277055736
(2015-Jan-18.53727706)
8.2025e-05 TDB
node 225.3352030884543 6.7585e-05 deg
peri 215.5086070413876 7.2006e-05 deg
i 3.543949506936609 4.9081e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:39:38  

Additional Information
 Jupiter MOID = 2.64803 au 
 T_jup = 3.584 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.605808738756469E-15 -3.638522780594434E-15 -6.197254008457898E-13 2.172194973220309E-14 -2.146799888093189E-13 -2.221026194677288E-16
q -3.638522780594434E-15 8.374071103423561E-15 1.656251651159893E-12 -4.939015320185084E-14 5.550515747772917E-13 5.639033306091356E-16
tp -6.197254008457898E-13 1.656251651159893E-12 6.728099522971209E-9 -2.524901698122967E-11 2.049927745539043E-9 -5.624812737286767E-13
node 2.172194973220309E-14 -4.939015320185084E-14 -2.524901698122967E-11 4.567665730155348E-9 -4.56609182658076E-9 -1.937960350655036E-11
peri -2.146799888093189E-13 5.550515747772917E-13 2.049927745539043E-9 -4.56609182658076E-9 5.184829200641076E-9 1.916397058326797E-11
i -2.221026194677288E-16 5.639033306091356E-16 -5.624812737286767E-13 -1.937960350655036E-11 1.916397058326797E-11 2.408970223296575E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.10   n/a MPO638117  

213235 (2000 WH177)          Discovered 2000-Nov-27 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2000 WH177 = 2007 UA85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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