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(1999 XY143)
Classification: TransNeptunian Object          SPK-ID: 3031205
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08525364636362275 4.2063e-05  
a 42.79509291929476 0.0045055 au
q 39.14665520145483 0.0055195 au
i 7.184312174939477 0.00015008 deg
node 255.4970834541532 0.00042047 deg
peri 77.58612512000359 0.050828 deg
M 121.6735347666928 0.053984 deg
tp 2424639.761685953978
(1926-May-04.26168595)
10.046 TDB
period 102256.138254828
279.96
16.148
0.04421
d
yr
n .003520571049758009 5.5597e-07 deg/d
Q 46.44353063713469 0.0048896 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      7340 days (20.10 yr)  
   first obs. used      1999-12-14  
   last obs. used      2020-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .44428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:53:20  

Additional Information
 Earth MOID = 38.1424 au 
 Jupiter MOID = 34.1863 au 
 T_jup = 5.792 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.2   n/a MPO542770  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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