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102640 (1999 VO39)
Classification: Main-belt Asteroid          SPK-ID: 2102640
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119614863594117 3.8214e-08  
a 2.690917206507246 1.6744e-08 au
q 2.36904351190782 1.0202e-07 au
i 14.12205992982805 5.8176e-06 deg
node 56.58392555766888 1.7956e-05 deg
peri 82.16685098793869 3.0121e-05 deg
M 214.0855215014893 2.5214e-05 deg
tp 2459853.998833887392
(2022-Oct-01.49883389)
0.00011503 TDB
period 1612.311421185406
4.41
1.5048e-05
4.12e-08
d
yr
n .2232819263510024 2.084e-09 deg/d
Q 3.012790901106673 1.8746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-11-09  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:57  

Additional Information
 Earth MOID = 1.43173 au 
 Jupiter MOID = 2.15825 au 
 T_jup = 3.318 
[ 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 15.52   n/a E2021B55  
diameter diameter 2.268 km 0.648 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102640 (1999 VO39)          Discovered 1999-Nov-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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