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JPL Small-Body Database Browser
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154885 (2004 RJ149)
Classification: Main-belt Asteroid          SPK-ID: 2154885
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09079087180413495 6.1267e-08  
a 2.972599314816925 2.2813e-08 au
q 2.702714431500322 1.8985e-07 au
i 2.895298477886067 3.8451e-06 deg
node 89.07681705618674 0.00012351 deg
peri 251.8445369231703 0.0001253 deg
M 46.2977622335853 2.0518e-05 deg
tp 2458759.753220419477
(2019-Oct-03.25322042)
0.00010673 TDB
period 1871.987682940689
5.13
2.155e-05
5.9e-08
d
yr
n .1923089576286523 2.2138e-09 deg/d
Q 3.242484198133528 2.4885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      9132 days (25.00 yr)  
   first obs. used      1994-10-31  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:00:54  

Additional Information
 Earth MOID = 1.6959 au 
 Jupiter MOID = 2.09612 au 
 T_jup = 3.254 
[ 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 15.5   n/a MPO449833  

154885 (2004 RJ149)          Discovered 2004-Sep-09 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RJ149 = 1999 TV323 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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