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5592 Oshima (1990 VB4)
Classification: Main-belt Asteroid          SPK-ID: 2005592
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06714279440117076 3.7179e-08  
a 3.172344624435294 1.6247e-08 au
q 2.959344541547176 1.1682e-07 au
i 8.492694669825966 3.6594e-06 deg
node 231.6180992479951 2.7502e-05 deg
peri 99.98574014544462 3.8784e-05 deg
M 165.734241615472 2.7826e-05 deg
tp 2458050.379448923977
(2017-Oct-23.87944892)
0.00015837 TDB
period 2063.8064593855
5.65
1.5855e-05
4.341e-08
d
yr
n .1744349613612462 1.3401e-09 deg/d
Q 3.385344707323412 1.7338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2582  
   data-arc span      23604 days (64.62 yr)  
   first obs. used      1955-09-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:23:08  

Additional Information
 Earth MOID = 1.96509 au 
 Jupiter MOID = 1.87419 au 
 T_jup = 3.181 
[ 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 11.9   n/a MPO384805  
diameter diameter 22.657 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.54 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.076   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5592 Oshima (1990 VB4)          Discovered 1990-Nov-14 by Suzuki and Urata at Toyota
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 VB4 = 1955 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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