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357537 (2004 RJ238)
Classification: Outer Main-belt Asteroid          SPK-ID: 2357537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076238814611349 7.9321e-08  
a 3.200799402366358 5.5851e-08 au
q 2.85631694690521 2.6948e-07 au
i 5.78467926788748 9.1873e-06 deg
node 339.5281088526686 6.9002e-05 deg
peri 333.57215674 7.8467e-05 deg
M 300.7662577127473 4.0489e-05 deg
tp 2459344.653969828682
(2021-May-10.15396983)
0.00024054 TDB
period 2091.636022885356
5.73
5.4746e-05
1.499e-07
d
yr
n .1721140753272118 4.5048e-09 deg/d
Q 3.545281857827507 6.1862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5338 days (14.61 yr)  
   first obs. used      2004-09-10  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:53:37  

Additional Information
 Earth MOID = 1.84397 au 
 Jupiter MOID = 1.74257 au 
 T_jup = 3.177 
[ 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 16.2   n/a MPO471686  
diameter diameter 3.009 km 0.806 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357537 (2004 RJ238)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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