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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08493183942131977 4.2574e-05  
a 42.76852895717396 0.0044978 au
q 39.1361191234972 0.0055482 au
i 7.188874248631539 0.00015015 deg
node 255.5154819670473 0.00042005 deg
peri 76.92232213161793 0.050794 deg
M 121.7136901362659 0.053858 deg
tp 2424460.540429918685
(1925-Nov-06.04042992)
10.015 TDB
period 102160.9436975267
279.70
16.116
0.04412
d
yr
n .003523851551977347 5.5588e-07 deg/d
Q 46.40093879085072 0.0048798 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-16 01:32:23  

Additional Information
 Earth MOID = 38.1336 au 
 Jupiter MOID = 34.1729 au 
 T_jup = 5.790 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.1   n/a E2018X68  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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