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91937 (1999 VQ58)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091937
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0674831690953457 5.3924e-08  
a 3.203956382066146 2.2728e-08 au
q 2.987743251761064 1.6547e-07 au
i 14.27945044817496 5.4295e-06 deg
node 52.27830735885269 1.9023e-05 deg
peri 15.70345030368298 4.4551e-05 deg
M 199.7821496679434 3.9355e-05 deg
tp 2459932.759288557699
(2022-Dec-19.25928856)
0.00023034 TDB
period 2094.731287339097
5.74
2.2289e-05
6.102e-08
d
yr
n .1718597522154272 1.8287e-09 deg/d
Q 3.420169512371228 2.4262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      7156 days (19.59 yr)  
   first obs. used      1999-10-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5104  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:05:02  

Additional Information
 Earth MOID = 2.00311 au 
 Jupiter MOID = 1.95075 au 
 T_jup = 3.141 
[ 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 13.4   n/a MPO439647  
diameter diameter 12.247 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.066 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.068   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91937 (1999 VQ58)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VQ58 = 1999 UW60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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