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102613 (1999 VQ20)
Classification: Main-belt Asteroid          SPK-ID: 2102613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230032248468292 4.2363e-08  
a 2.382262599455715 1.1787e-08 au
q 1.8510103573451 1.04e-07 au
i 10.83408460785235 4.7851e-06 deg
node 352.9229232407258 2.0734e-05 deg
peri 358.6081270747944 2.3141e-05 deg
M 298.0144818212693 1.384e-05 deg
tp 2459431.744073457288
(2021-Aug-05.24407346)
5.2727e-05 TDB
period 1343.021223192562
3.68
9.9674e-06
2.729e-08
d
yr
n .2680523537403425 1.9894e-09 deg/d
Q 2.913514841566329 1.4415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:41  

Additional Information
 Earth MOID = .843804 au 
 Jupiter MOID = 2.52202 au 
 T_jup = 3.480 
[ 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 15.11   n/a E2021B55  
diameter diameter 4.064 km 0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102613 (1999 VQ20)          Discovered 1999-Nov-11 by Juels, C. W. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VQ20 = 2001 DX28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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