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97146 (1999 VR147)
Classification: Main-belt Asteroid          SPK-ID: 2097146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113901192280017 4.4717e-08  
a 2.572777339785974 1.2828e-08 au
q 2.279734933313341 1.1413e-07 au
i 3.752939899659904 3.7729e-06 deg
node 268.4114383388663 7.5045e-05 deg
peri 285.9942845546041 7.669e-05 deg
M 191.3790467759132 1.7334e-05 deg
tp 2459706.509864441811
(2022-May-07.00986444)
7.3952e-05 TDB
period 1507.307047785956
4.13
1.1273e-05
3.086e-08
d
yr
n .2388365399928267 1.7863e-09 deg/d
Q 2.865819746258607 1.4289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:35  

Additional Information
 Earth MOID = 1.28204 au 
 Jupiter MOID = 2.11374 au 
 T_jup = 3.417 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130909690784022 4.4894e-08  
q 2.282894390624262 1.1459e-07 au
tp 2456692.171577129209
(2014-Feb-03.67157713)
7.1074e-05 TDB
node 268.4541109114119 7.5139e-05 deg
peri 286.3024698124211 7.6793e-05 deg
i 3.749478050874437 3.7708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:35  

Additional Information
 Jupiter MOID = 2.11374 au 
 T_jup = 3.417 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.015464431556294E-15 -5.118922115547414E-15 2.463937032350827E-13 -2.641196579431473E-14 7.113343263167441E-14 5.290606569260008E-16
q -5.118922115547414E-15 1.31299782170325E-14 -6.530030259000094E-13 6.713386380491726E-14 -1.767803940484533E-13 -1.363582426812955E-15
tp 2.463937032350827E-13 -6.530030259000094E-13 5.051478963167148E-9 8.138924685041062E-12 1.160558642085871E-9 -1.283658552657927E-12
node -2.641196579431473E-14 6.713386380491726E-14 8.138924685041062E-12 5.645861264165492E-9 -5.631347453642335E-9 -4.509622026839195E-11
peri 7.113343263167441E-14 -1.767803940484533E-13 1.160558642085871E-9 -5.631347453642335E-9 5.897226079463389E-9 4.468658027073507E-11
i 5.290606569260008E-16 -1.363582426812955E-15 -1.283658552657927E-12 -4.509622026839195E-11 4.468658027073507E-11 1.42186101145857E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO436448  
diameter diameter 2.996 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.237   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97146 (1999 VR147)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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