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103012 (1999 XT103)
Classification: Main-belt Asteroid          SPK-ID: 2103012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670805713356491 3.8511e-08  
a 3.088186580663178 1.8514e-08 au
q 2.57221060237489 1.2681e-07 au
i .9255077055492562 4.6621e-06 deg
node 24.02830513398992 0.0002254 deg
peri 35.54655358450417 0.00022583 deg
M 339.2592894848724 1.281e-05 deg
tp 2459314.702300706734
(2021-Apr-10.20230071)
7.0569e-05 TDB
period 1982.228536695391
5.43
1.7826e-05
4.88e-08
d
yr
n .1816137712355622 1.6332e-09 deg/d
Q 3.604162558951467 2.1608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      13500 days (36.96 yr)  
   first obs. used      1984-01-26  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:02  

Additional Information
 Earth MOID = 1.58413 au 
 Jupiter MOID = 1.73767 au 
 T_jup = 3.204 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.20   n/a E2021B55  

103012 (1999 XT103)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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