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313517 (2002 WR27)
Classification: Main-belt Asteroid          SPK-ID: 2313517
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061511458725736 6.0616e-08  
a 2.724497731732585 1.8034e-08 au
q 2.435289175581943 1.6926e-07 au
i 10.21622482261168 6.7274e-06 deg
node 84.80121756306745 2.7744e-05 deg
peri 338.8219620322337 4.5677e-05 deg
M 4.197288677067438 3.1648e-05 deg
tp 2459181.348868345972
(2020-Nov-27.84886835)
0.0001444 TDB
period 1642.585946761043
4.50
1.6309e-05
4.465e-08
d
yr
n .21916661390527 2.176e-09 deg/d
Q 3.013706287883226 1.9948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      9882 days (27.06 yr)  
   first obs. used      1993-12-14  
   last obs. used      2021-01-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:34:12  

Additional Information
 Earth MOID = 1.45151 au 
 Jupiter MOID = 2.267 au 
 T_jup = 3.326 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO446479  

313517 (2002 WR27)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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