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78799 (2002 XW93)
Classification: TransNeptunian Object          SPK-ID: 2078799
Ephemeris | Orbit Diagram | Orbital Elements | 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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534316745065592 2.1554e-05  
a 37.37910342621556 0.0012206 au
q 27.90605465335589 0.0016069 au
i 14.3595089414209 0.00013283 deg
node 46.82777053977082 0.0004289 deg
peri 247.7342773663782 0.0057205 deg
M 147.2277112270212 0.0087347 deg
tp 2425063.228429218478
(1927-Jul-01.72842922)
1.3987 TDB
period 83472.17832199667
228.53
4.0888
0.01119
d
yr
n .004312814248255127 2.1126e-07 deg/d
Q 46.85215219907524 0.00153 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      9562 days (26.18 yr)  
   first obs. used      1989-12-17  
   last obs. used      2016-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .51552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:38:39  

Additional Information
 Earth MOID = 26.9161 au 
 Jupiter MOID = 22.9035 au 
 T_jup = 5.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.0   n/a MPO553931  

78799 (2002 XW93)          Discovered 2002-Dec-10 by Palomar at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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