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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06748317684940039 5.2968e-08  
a 3.203956389112185 2.1966e-08 au
q 2.987743233487961 1.6278e-07 au
i 14.2794528670822 5.3628e-06 deg
node 52.27832886522353 1.7706e-05 deg
peri 15.70343639817142 4.1833e-05 deg
M 199.7821439583742 3.7626e-05 deg
tp 2459932.759324855251
(2022-Dec-19.25932486)
0.00022075 TDB
period 2094.731294249097
5.74
2.1542e-05
5.898e-08
d
yr
n .1718597516485044 1.7674e-09 deg/d
Q 3.420169544736409 2.3449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:37:55  

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

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