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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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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133303175404474 3.8876e-08  
a 2.416415517464013 1.3108e-08 au
q 1.900920827813751 9.5126e-08 au
i .761219850225084 4.093e-06 deg
node 267.1017762478083 0.00034911 deg
peri 65.65889447847086 0.00034931 deg
M 227.7073431625254 1.538e-05 deg
tp 2459504.684033765641
(2021-Oct-17.18403377)		 6.1593e-05 TDB
period 1372.005495200059
3.76		 1.1164e-05
3.057e-08		 d
yr
n .2623896196184743 2.135e-09 deg/d
Q 2.931910207114275 1.5904e-08 au
   Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      8938 days (24.47 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:07:16  

Additional Information
 Earth MOID = .890732 au 
 Jupiter MOID = 2.43814 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456889.5 (2014-Aug-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138918582495692 3.9003e-08  
q 1.899433747905242 9.5574e-08 au
tp 2456757.374812649764
(2014-Apr-09.87481265)		 4.6893e-05 TDB
node 267.6026890791383 0.0003488 deg
peri 64.6602562757018 0.00034899 deg
i .761918417882173 4.0924e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      8938 days (24.47 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:07:16  

Additional Information
 Jupiter MOID = 2.43814 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.521219898216193E-15 -3.705779736708605E-15 3.463400592817117E-13 -1.204012541335866E-14 7.631936161696895E-14 -1.052241007775244E-16
q -3.705779736708605E-15 9.134408797064244E-15 -5.9128198875524E-13 2.933447574444E-14 -1.237677998525147E-13 2.648721099215945E-16
tp 3.463400592817117E-13 -5.9128198875524E-13 2.198977492501048E-9 -9.473304268698261E-12 5.768561194184836E-10 -1.900088522994139E-13
node -1.204012541335866E-14 2.933447574444E-14 -9.473304268698261E-12 1.21658972806821E-7 -1.216495585865326E-7 -9.718969475403076E-11
peri 7.631936161696895E-14 -1.237677998525147E-13 5.768561194184836E-10 -1.216495585865326E-7 1.217971506736583E-7 9.713318735301238E-11
i -1.052241007775244E-16 2.648721099215945E-16 -1.900088522994139E-13 -9.718969475403076E-11 9.713318735301238E-11 1.674747237411054E-11

[ 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

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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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