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43103 (1999 XC21)
Classification: Main-belt Asteroid          SPK-ID: 2043103
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064758943469921 6.1285e-08  
a 2.472179043566583 1.2475e-08 au
q 1.961733664560281 1.4614e-07 au
i 6.008062993404777 4.4841e-06 deg
node 217.9840511619302 4.1496e-05 deg
peri 159.7733273520465 4.4891e-05 deg
M 162.7611192352757 2.4671e-05 deg
tp 2458558.601331696210
(2019-Mar-16.10133170)
9.326e-05 TDB
period 1419.771021943679
3.89
1.0746e-05
2.942e-08
d
yr
n .2535620141811014 1.9192e-09 deg/d
Q 2.982624422572886 1.505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8832 days (24.18 yr)  
   first obs. used      1997-01-15  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:23:46  

Additional Information
 Earth MOID = .963867 au 
 Jupiter MOID = 2.48784 au 
 T_jup = 3.446 
[ 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 15.51   n/a MPCxxxxx  

43103 (1999 XC21)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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