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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 238 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2982273625839847 2.7953e-07  
a 1.001258398212234 3.2543e-09 au
q .7026557468483341 2.8168e-07 au
i 21.50924827772828 1.5368e-05 deg
node 60.88232221841886 3.5667e-06 deg
peri 225.3093461375985 1.6394e-05 deg
M 120.9769100670056 3.8349e-05 deg
tp 2459077.524762037862
(2020-Aug-16.02476204)
3.9361e-05 TDB
period 365.9465731258079
1.00
1.7841e-06
4.885e-09
d
yr
n .9837501603717339 4.796e-09 deg/d
Q 1.299861049576133 4.2248e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.640674195856836E-14 6.83E-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)      1078  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      2000-11-20  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:28:11  

Additional Information
 Earth MOID = .125023 au 
 Jupiter MOID = 3.84711 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. 2020-October); 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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