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103135 (1999 XL202)
Classification: Main-belt Asteroid          SPK-ID: 2103135
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 .05716804764257425 3.8404e-08  
a 2.291694791994523 7.8923e-09 au
q 2.160683074943541 8.9497e-08 au
i 6.926640991893686 4.2531e-06 deg
node 34.57702142493461 3.5755e-05 deg
peri 75.89969997736615 5.608e-05 deg
M 6.894395850064448 4.2312e-05 deg
tp 2459176.232373166639
(2020-Nov-22.73237317)
0.00014893 TDB
period 1267.166239073477
3.47
6.546e-06
1.792e-08
d
yr
n .2840984780838414 1.4676e-09 deg/d
Q 2.422706509045505 8.3435e-09 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1999-12-12  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:25  

Additional Information
 Earth MOID = 1.18948 au 
 Jupiter MOID = 2.62713 au 
 T_jup = 3.586 
[ 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 15.8   n/a MPO449622  

103135 (1999 XL202)          Discovered 1999-Dec-12 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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