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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136404818001326 3.9764e-08  
a 2.573741506376291 1.1874e-08 au
q 2.28126028156269 1.0341e-07 au
i 3.752292157072263 3.7301e-06 deg
node 268.4151073473313 6.3617e-05 deg
peri 285.8366570523219 6.5498e-05 deg
M 286.0839218598356 1.7502e-05 deg
tp 2459706.157948060679
(2022-May-06.65794806)
7.4032e-05 TDB
period 1508.154438205647
4.13
1.0436e-05
2.857e-08
d
yr
n .238702344322453 1.6518e-09 deg/d
Q 2.866222731189892 1.3223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      9266 days (25.37 yr)  
   first obs. used      1995-10-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:52:23  

Additional Information
 Earth MOID = 1.28435 au 
 Jupiter MOID = 2.1113 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457681.5 (2016-Oct-20.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132511952932787 3.9997e-08  
q 2.282065918521228 1.0396e-07 au
tp 2458200.782941580688
(2018-Mar-23.28294158)
7.0959e-05 TDB
node 268.4394404758422 6.3683e-05 deg
peri 286.4028747054395 6.555e-05 deg
i 3.750009877649571 3.7294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      9266 days (25.37 yr)  
   first obs. used      1995-10-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:52:23  

Additional Information
 Jupiter MOID = 2.1113 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.599755751439391E-15 -4.136571930035005E-15 4.98850684552741E-13 -1.194043956935123E-14 1.366835701406377E-13 4.411613479931243E-16
q -4.136571930035005E-15 1.080724275591476E-14 -1.130862134008059E-12 3.114298327169582E-14 -3.287883758690948E-13 -1.16034050866709E-15
tp 4.98850684552741E-13 -1.130862134008059E-12 5.035236197178139E-9 8.838881360660557E-12 1.12262660823948E-9 -1.080855867662047E-12
node -1.194043956935123E-14 3.114298327169582E-14 8.838881360660557E-12 4.055483971963936E-9 -4.044655449531471E-9 -6.338713571344901E-11
peri 1.366835701406377E-13 -3.287883758690948E-13 1.12262660823948E-9 -4.044655449531471E-9 4.296745644368993E-9 6.300136422453636E-11
i 4.411613479931243E-16 -1.16034050866709E-15 -1.080855867662047E-12 -6.338713571344901E-11 6.300136422453636E-11 1.390847036722149E-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 15.06   n/a MPCxxxxx  
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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