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103143 (1999 XY208)
Classification: Main-belt Asteroid          SPK-ID: 2103143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765171257014492 5.4204e-08  
a 2.597303515863151 1.2355e-08 au
q 2.13883496466872 1.4356e-07 au
i 9.35240227492983 5.9857e-06 deg
node 328.86299495 1.9512e-05 deg
peri 140.2467530842247 2.4502e-05 deg
M 346.8823438531294 1.2414e-05 deg
tp 2459256.210393209993
(2021-Feb-10.71039321)
5.2747e-05 TDB
period 1528.911974139681
4.19
1.0909e-05
2.987e-08
d
yr
n .2354615609591076 1.6801e-09 deg/d
Q 3.055772067057584 1.4536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:27  

Additional Information
 Earth MOID = 1.16422 au 
 Jupiter MOID = 2.07092 au 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO417522  

103143 (1999 XY208)          Discovered 1999-Dec-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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