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102105 (1999 RA163)
Classification: Main-belt Asteroid          SPK-ID: 2102105
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870049547162937 3.6173e-08  
a 3.152307124390847 2.2113e-08 au
q 2.562810073342286 1.1112e-07 au
i 17.71244133474096 4.5038e-06 deg
node 180.8253665685587 1.1941e-05 deg
peri 247.265937953259 1.6438e-05 deg
M 235.4338908250805 1.3474e-05 deg
tp 2459907.856926995867
(2022-Nov-24.35692700)
8.0572e-05 TDB
period 2044.28391803526
5.60
2.1511e-05
5.889e-08
d
yr
n .1761007836651145 1.853e-09 deg/d
Q 3.741804175439408 2.6249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      7598 days (20.80 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:39  

Additional Information
 Earth MOID = 1.6329 au 
 Jupiter MOID = 1.95114 au 
 T_jup = 3.107 
[ 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 14.43   n/a E2021B55  

102105 (1999 RA163)          Discovered 1999-Sep-09 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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