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192863 (1999 WR5)
Classification: Main-belt Asteroid          SPK-ID: 2192863
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177955616807634 3.3969e-08  
a 2.718122520585584 1.7563e-08 au
q 2.126127499497514 9.4558e-08 au
i 9.415006983686744 6.5537e-06 deg
node 33.7401501063124 2.3849e-05 deg
peri 64.01841303448657 3.0551e-05 deg
M 253.4419989885369 1.8382e-05 deg
tp 2459880.990799376964
(2022-Oct-28.49079938)
8.6056e-05 TDB
period 1636.823946771897
4.48
1.5864e-05
4.343e-08
d
yr
n .2199381312266252 2.1317e-09 deg/d
Q 3.310117541673654 2.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7970 days (21.82 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:26:19  

Additional Information
 Earth MOID = 1.16219 au 
 Jupiter MOID = 1.97775 au 
 T_jup = 3.306 
[ 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 16.16   n/a MPO637973  

192863 (1999 WR5)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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