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138852 (2000 WN10)
Classification: Apollo [NEO]          SPK-ID: 2138852
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 222 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2982941018452442 3.2181e-07  
a 1.001184416161122 4.1776e-09 au
q .7025370099608852 3.247e-07 au
i 21.50664190644185 1.7277e-05 deg
node 60.88810424421565 3.6948e-06 deg
peri 225.2907201140148 1.7946e-05 deg
M 284.214854377575 4.3311e-05 deg
tp 2459077.528446133257
(2020-Aug-16.02844613)
4.3676e-05 TDB
period 365.9060146975181
1.00
2.2902e-06
6.27e-09
d
yr
n .9838592030185663 6.1579e-09 deg/d
Q 1.299831822361359 5.4237e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.390755447563145E-14 7.071E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      6953 days (19.04 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-16 06:21:33  

Additional Information
 Earth MOID = .125626 au 
 Jupiter MOID = 3.84806 au 
 T_jup = 5.976 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 20.2   n/a MPO248175  
rotation period rot_per 4.4622 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]

138852 (2000 WN10)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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