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233939 (2009 VR58)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233939
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 .1832975696359758 5.8405e-08  
a 3.9552457117016 6.3448e-08 au
q 3.230258785433581 2.2483e-07 au
i 6.766771341860539 7.9592e-06 deg
node 238.8936771851286 5.9211e-05 deg
peri 222.8464299537675 6.6446e-05 deg
M 89.61558547238418 2.608e-05 deg
tp 2458285.279959240821
(2018-Jun-15.77995924)
0.00020469 TDB
period 2873.152179010745
7.87
6.9135e-05
1.893e-07
d
yr
n .1252979228284217 3.015e-09 deg/d
Q 4.680232637969619 7.5078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-10-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:38  

Additional Information
 Earth MOID = 2.25158 au 
 Jupiter MOID = .649701 au 
 T_jup = 3.018 
[ 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 MPO470490  
diameter diameter 5.072 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.057   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

233939 (2009 VR58)          Discovered 2009-Nov-15 by Dillon, W. G., Wells, D. at Sierra Stars
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 VR58 = 2008 RN85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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