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103148 (1999 XQ213)
Classification: Main-belt Asteroid          SPK-ID: 2103148
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611543889490008 5.632e-08  
a 2.375103922304739 9.7256e-09 au
q 1.992345501015344 1.3258e-07 au
i 4.238106079720223 5.8421e-06 deg
node 194.3736717332952 5.3246e-05 deg
peri 185.7858331032189 5.4861e-05 deg
M 312.5346878201054 1.3272e-05 deg
tp 2459376.777220071718
(2021-Jun-11.27722007)
4.977e-05 TDB
period 1336.972123670115
3.66
8.212e-06
2.248e-08
d
yr
n .2692651504294389 1.6539e-09 deg/d
Q 2.757862343594135 1.1293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      7052 days (19.31 yr)  
   first obs. used      1999-12-14  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:45:35  

Additional Information
 Earth MOID = .993441 au 
 Jupiter MOID = 2.70103 au 
 T_jup = 3.521 
[ 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 16.1   n/a MPO436484  

103148 (1999 XQ213)          Discovered 1999-Dec-14 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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