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102139 (1999 RO183)
Classification: Main-belt Asteroid          SPK-ID: 2102139
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 .1056180229800311 3.8135e-08  
a 2.369156379785814 1.1002e-08 au
q 2.118930766822309 9.1224e-08 au
i 6.974868745583009 4.5466e-06 deg
node 4.26466022777207 3.5682e-05 deg
peri 33.48292463970849 4.3154e-05 deg
M 263.4415236666947 2.6662e-05 deg
tp 2459557.753853600883
(2021-Dec-09.25385360)
0.00010016 TDB
period 1331.953363186579
3.65
9.2782e-06
2.54e-08
d
yr
n .2702797334725986 1.8827e-09 deg/d
Q 2.619381992749319 1.2164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      8563 days (23.44 yr)  
   first obs. used      1997-01-03  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:16:59  

Additional Information
 Earth MOID = 1.1279 au 
 Jupiter MOID = 2.75977 au 
 T_jup = 3.528 
[ 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 15.95   n/a E2021B55  

102139 (1999 RO183)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RO183 = 1997 AD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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