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134666 (1999 VM156)
Classification: Main-belt Asteroid          SPK-ID: 2134666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213330315997217 3.9028e-08  
a 2.416415516597205 1.3221e-08 au
q 1.900920830860945 9.538e-08 au
i .7612204546690166 4.3471e-06 deg
node 267.1017736494459 0.00034969 deg
peri 65.65889866676267 0.0003499 deg
M 227.7073423745132 1.5458e-05 deg
tp 2459504.684036497567
(2021-Oct-17.18403650)
6.1823e-05 TDB
period 1372.005494461818
3.76
1.126e-05
3.083e-08
d
yr
n .2623896197596595 2.1533e-09 deg/d
Q 2.931910202333465 1.6041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8869 days (24.28 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:30:02  

Additional Information
 Earth MOID = .890732 au 
 Jupiter MOID = 2.43814 au 
 T_jup = 3.485 
[ 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 16.4   n/a MPO417707  
diameter diameter 1.264 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134666 (1999 VM156)          Discovered 1999-Nov-12 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 VM156 = 1995 UO81 = 1997 AD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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