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103151 (1999 XR217)
Classification: Main-belt Asteroid          SPK-ID: 2103151
[ 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 .1634988123006137 3.1185e-08  
a 2.641661723110369 1.3451e-08 au
q 2.209753168881831 8.1387e-08 au
i 4.795874433090677 3.626e-06 deg
node 100.8964594216072 6.131e-05 deg
peri 177.1418096499171 6.3412e-05 deg
M 155.1827942162401 1.6821e-05 deg
tp 2458524.486609175509
(2019-Feb-09.98660918)		 7.1935e-05 TDB
period 1568.246157223454
4.29		 1.1978e-05
3.279e-08		 d
yr
n .2295557992231093 1.7533e-09 deg/d
Q 3.073570277338908 1.565e-08 au
   Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      11458 days (31.37 yr)  
   first obs. used      1989-09-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:28  

Additional Information
 Earth MOID = 1.19145 au 
 Jupiter MOID = 2.05282 au 
 T_jup = 3.371 
[ 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 15.9   n/a MPO436484  

103151 (1999 XR217)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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