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66849 (1999 VM8)
Classification: Main-belt Asteroid          SPK-ID: 2066849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507227088077192 4.8462e-08  
a 2.684489800454178 1.5893e-08 au
q 2.27987622596303 1.2981e-07 au
i 4.831774952085839 5.4018e-06 deg
node 60.9326169297327 6.3247e-05 deg
peri 346.1878262809188 6.5618e-05 deg
M 229.5355968293145 2.0111e-05 deg
tp 2459582.711253087145
(2022-Jan-03.21125309)
9.2822e-05 TDB
period 1606.538228187497
4.40
1.4267e-05
3.906e-08
d
yr
n .2240843035563203 1.99e-09 deg/d
Q 3.089103374945325 1.8289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7260 days (19.88 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:04:41  

Additional Information
 Earth MOID = 1.29012 au 
 Jupiter MOID = 2.28945 au 
 T_jup = 3.353 
[ 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 15.0   n/a MPO293810  
diameter diameter 6.063 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66849 (1999 VM8)          Discovered 1999-Nov-04 by Antonini, P. at Bedoin
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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