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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456148.5 (2012-Aug-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2453294673740761 2.163e-05  
q 28.42478886224501 0.0016349 au
tp 2424853.025493653251
(1926-Dec-03.52549365)		 1.4299 TDB
node 46.74178275580149 0.00042807 deg
peri 248.657390520018 0.005961 deg
i 14.32925974872639 0.00013201 deg
   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
 Jupiter MOID = 22.9035 au 
 T_jup = 5.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.678720898722403E-10 -3.265441844557849E-8 2.288661491132089E-5 2.485407576427175E-10 -3.127552912077748E-8 2.909795054554149E-11
q -3.265441844557849E-8 2.672744366394136E-6 -.001003303805601208 -1.164065020503465E-8 5.788956609054547E-6 8.382194191053492E-10
tp 2.288661491132089E-5 -.001003303805601208 2.044488732570497 2.112961223197844E-5 .003994212480889331 5.802994201984401E-6
node 2.485407576427175E-10 -1.164065020503465E-8 2.112961223197844E-5 1.832445123664499E-7 -1.406318286003835E-7 5.626755909816915E-8
peri -3.127552912077748E-8 5.788956609054547E-6 .003994212480889331 -1.406318286003835E-7 3.553410213526854E-5 -2.997960852057122E-8
i 2.909795054554149E-11 8.382194191053492E-10 5.802994201984401E-6 5.626755909816915E-8 -2.997960852057122E-8 1.742555542225168E-8

[ 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

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