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66851 (1999 VT9)
Classification: Main-belt Asteroid          SPK-ID: 2066851
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255855545372741 3.7494e-08  
a 2.619171960930106 1.237e-08 au
q 2.290241797788219 1.0363e-07 au
i 14.70066367079074 3.5756e-06 deg
node 90.40178829479909 2.0889e-05 deg
peri 1.005942501294289 3.0434e-05 deg
M 301.5552126693544 2.3304e-05 deg
tp 2459451.855115343948
(2021-Aug-25.35511534)
0.00010072 TDB
period 1548.261969230809
4.24
1.0969e-05
3.003e-08
d
yr
n .2325187902011514 1.6473e-09 deg/d
Q 2.948102124071993 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1778  
   data-arc span      15917 days (43.58 yr)  
   first obs. used      1977-08-08  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:20  

Additional Information
 Earth MOID = 1.30659 au 
 Jupiter MOID = 2.25871 au 
 T_jup = 3.348 
[ 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 13.56   n/a MPCxxxxx  
diameter diameter 4.841 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.379   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66851 (1999 VT9)          Discovered 1999-Nov-09 by Juels, C. W. at Fountain Hills
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VT9 = 1971 BS = 2000 XA50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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