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190380 (1999 RS123)
Classification: Main-belt Asteroid          SPK-ID: 2190380
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474694120988173 5.6177e-08  
a 2.703885002464506 1.6114e-08 au
q 2.305144670768256 1.5575e-07 au
i 3.03179234825999 4.0974e-06 deg
node 100.4219702657551 0.00011276 deg
peri 285.4825254564425 0.00011345 deg
M 253.4050155798738 1.477e-05 deg
tp 2459681.355980605184
(2022-Apr-11.85598061)		 6.8769e-05 TDB
period 1623.980283496169
4.45		 1.4518e-05
3.975e-08		 d
yr
n .2216775681691022 1.9817e-09 deg/d
Q 3.102625334160756 1.8491e-08 au
   Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8957 days (24.52 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:02:31  

Additional Information
 Earth MOID = 1.31035 au 
 Jupiter MOID = 2.34803 au 
 T_jup = 3.348 
[ 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 15.99   n/a E2021B55  

190380 (1999 RS123)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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