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JPL Small-Body Database Browser
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154838 (2004 RR30)
Classification: Main-belt Asteroid          SPK-ID: 2154838
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545205749847613 5.4143e-08  
a 2.945712034342152 2.2356e-08 au
q 2.490538917056072 1.6142e-07 au
i .2018577963064128 5.9503e-06 deg
node 318.973769204461 0.0011781 deg
peri 356.5011053858171 0.0011782 deg
M 53.66185932318388 1.3025e-05 deg
tp 2458725.237483456142
(2019-Aug-29.73748346)
6.6662e-05 TDB
period 1846.646896056704
5.06
2.1022e-05
5.756e-08
d
yr
n .1949479355088065 2.2193e-09 deg/d
Q 3.400885151628232 2.5811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6469 days (17.71 yr)  
   first obs. used      2002-02-07  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52185  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:00:26  

Additional Information
 Earth MOID = 1.47686 au 
 Jupiter MOID = 1.88346 au 
 T_jup = 3.253 
[ 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 16.0   n/a MPO417826  

154838 (2004 RR30)          Discovered 2004-Sep-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RR30 = 2005 WC46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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