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(2001 WR5)
Classification: Amor [NEO]          SPK-ID: 3092508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6287165739732142 3.4077e-08  
a 2.795042553252401 1.4764e-08 au
q 1.037752975062206 9.0917e-08 au
i 3.076071799766567 5.5869e-06 deg
node 232.3901029202249 5.6495e-05 deg
peri 211.6341963104018 5.6737e-05 deg
M 341.2137630378729 5.3071e-06 deg
tp 2459089.567314607039
(2020-Aug-28.06731461)
2.5858e-05 TDB
period 1706.793825883027
4.67
1.3523e-05
3.702e-08
d
yr
n .2109217847760554 1.6712e-09 deg/d
Q 4.552332131442595 2.4046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5173 days (14.16 yr)  
   first obs. used      2001-11-15  
   last obs. used      2016-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61235  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:15:48  

Additional Information
 Earth MOID = .0600098 au 
 Jupiter MOID = .731615 au 
 T_jup = 3.000 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.8   n/a MPO369002  
rotation period rot_per 0.358 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Whiteley, R.J.; Hergenrother, C.W.; Tholen, D.J. (2002) Proc. ACM 2002, 473-480.]
[Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.]

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