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JPL Small-Body Database Browser
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154904 (2004 RA306)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154904
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2699259130974431 1.2077e-07  
a 3.329311494776448 3.8629e-08 au
q 2.430644049563103 4.1216e-07 au
i 3.306520896077193 1.0394e-05 deg
node 136.7903863060155 0.00021315 deg
peri 201.5352998720888 0.00021366 deg
M 230.0577116556476 1.625e-05 deg
tp 2459801.399609777056
(2022-Aug-09.89960978)
0.00010294 TDB
period 2218.860874264966
6.07
3.8617e-05
1.057e-07
d
yr
n .162245413480129 2.8237e-09 deg/d
Q 4.227978939989795 4.9056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:03:07  

Additional Information
 Earth MOID = 1.42201 au 
 Jupiter MOID = 1.17646 au 
 T_jup = 3.101 
[ 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 15.2   n/a MPO432989  
diameter diameter 4.688 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154904 (2004 RA306)          Discovered 2004-Sep-12 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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