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66857 (1999 VQ25)
Classification: Main-belt Asteroid          SPK-ID: 2066857
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08577441752226253 4.0028e-08  
a 2.762600722793986 1.3993e-08 au
q 2.525640254949751 1.1368e-07 au
i 4.410394803135262 4.0184e-06 deg
node 246.4579711568229 6.5403e-05 deg
peri 69.8044527838793 7.0801e-05 deg
M 289.29583553281 2.8022e-05 deg
tp 2459529.895834021618
(2021-Nov-11.39583402)
0.00013091 TDB
period 1677.164296352167
4.59
1.2742e-05
3.489e-08
d
yr
n .2146480227268134 1.6308e-09 deg/d
Q 2.999561190638222 1.5193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:23  

Additional Information
 Earth MOID = 1.51424 au 
 Jupiter MOID = 2.21586 au 
 T_jup = 3.331 
[ 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 14.36   n/a E2021B10  
diameter diameter 6.649 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66857 (1999 VQ25)          Discovered 1999-Nov-15 by Klet at Klet
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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