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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2538111790082352 2.157e-05  
a 37.35319728642128 0.0012181 au
q 27.87253824342748 0.0016061 au
i 14.36913135312994 0.00013298 deg
node 46.86930460290866 0.00042855 deg
peri 247.4824098032009 0.0057025 deg
M 146.6715608417025 0.0086895 deg
tp 2425027.530265508474
(1927-May-27.03026551)
1.401 TDB
period 83385.41591997271
228.30
4.0788
0.01117
d
yr
n .004317301725106245 2.1118e-07 deg/d
Q 46.83385632941507 0.0015273 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .51552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:28  

Additional Information
 Earth MOID = 26.8845 au 
 Jupiter MOID = 22.8689 au 
 T_jup = 5.160 
[ 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 5.5   n/a MPO157282  

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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