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70836 (1999 VW91)
Classification: Main-belt Asteroid          SPK-ID: 2070836
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07470842831703733 6.4482e-08  
a 2.548522377682624 1.2188e-08 au
q 2.358126276315156 1.6898e-07 au
i 11.46677034742661 4.6536e-06 deg
node 202.3887776879987 2.2409e-05 deg
peri 175.1717758876407 3.7787e-05 deg
M 20.22315304515789 3.156e-05 deg
tp 2458917.020955089395
(2020-Mar-08.52095509)
0.00013018 TDB
period 1486.042067758235
4.07
1.066e-05
2.919e-08
d
yr
n .2422542455632343 1.7378e-09 deg/d
Q 2.738918479050092 1.3098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1995-10-02  
   last obs. used      2020-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:56  

Additional Information
 Earth MOID = 1.36034 au 
 Jupiter MOID = 2.60019 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457226.5 (2015-Jul-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07615024936233088 6.4943e-08  
q 2.35480896766873 1.7056e-07 au
tp 2457426.705358547609
(2016-Feb-08.20535855)
0.00012448 TDB
node 202.4345646092445 2.2379e-05 deg
peri 174.2301500053643 3.7027e-05 deg
i 11.47396530556546 4.659e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1995-10-02  
   last obs. used      2020-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:56  

Additional Information
 Jupiter MOID = 2.60019 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.217571848814504E-15 -1.1055689183454E-14 -3.421108087625319E-12 -3.865631246108748E-14 -5.622599016919984E-13 -1.143551933164732E-14
q -1.1055689183454E-14 2.908945908435484E-14 8.860791724398273E-12 9.993576094552313E-14 1.442486403890334E-12 3.035327141571482E-14
tp -3.421108087625319E-12 8.860791724398273E-12 1.549500240391849E-8 4.48147979249092E-11 3.659684519661314E-9 1.942771889413013E-11
node -3.865631246108748E-14 9.993576094552313E-14 4.48147979249092E-11 5.008085795017532E-10 -4.815902144180577E-10 -4.48916524717825E-11
peri -5.622599016919984E-13 1.442486403890334E-12 3.659684519661314E-9 -4.815902144180577E-10 1.370996419298428E-9 4.821010007369955E-11
i -1.143551933164732E-14 3.035327141571482E-14 1.942771889413013E-11 -4.48916524717825E-11 4.821010007369955E-11 2.170655135660086E-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 15.7   n/a MPO449447  
diameter diameter 2.495 km 0.653 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70836 (1999 VW91)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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