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102119 (1999 RO171)
Classification: Main-belt Asteroid          SPK-ID: 2102119
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250797764412583 2.2004e-07  
a 2.477634724868424 3.021e-08 au
q 1.91996925489194 5.2452e-07 au
i 7.774211166061658 8.3967e-06 deg
node 1.434783571476514 4.3816e-05 deg
peri 19.26977488874598 4.6708e-05 deg
M 142.4530846253407 3.4914e-05 deg
tp 2458636.831581556800
(2019-Jun-02.33158156)		 0.00012851 TDB
period 1424.47340591637
3.90		 2.6053e-05
7.133e-08		 d
yr
n .2527249708592562 4.6222e-09 deg/d
Q 3.035300194844908 3.701e-08 au
   Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8381 days (22.95 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:31:30  

Additional Information
 Earth MOID = .922698 au 
 Jupiter MOID = 2.4413 au 
 T_jup = 3.432 
[ 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 16.3   n/a MPO259934  

102119 (1999 RO171)          Discovered 1999-Sep-09 by LINEAR at Socorro
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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