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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07470842973377094 6.5272e-08  
a 2.548522373063746 1.2199e-08 au
q 2.35812626843077 1.7107e-07 au
i 11.46676827739109 4.6567e-06 deg
node 202.3887753853699 2.2503e-05 deg
peri 175.1717399987531 3.7869e-05 deg
M 20.22318918793093 3.1703e-05 deg
tp 2458917.020806122780
(2020-Mar-08.52080612)
0.00013076 TDB
period 1486.042063718337
4.07
1.067e-05
2.921e-08
d
yr
n .2422542462218176 1.7394e-09 deg/d
Q 2.738918477696723 1.311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8812 days (24.13 yr)  
   first obs. used      1995-10-02  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:59  

Additional Information
 Earth MOID = 1.36034 au 
 Jupiter MOID = 2.60019 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07614917087800464 6.5733e-08  
q 2.354772247223312 1.7266e-07 au
tp 2457426.754984220357
(2016-Feb-08.25498422)
0.00012499 TDB
node 202.4352578095251 2.2473e-05 deg
peri 174.2438594704453 3.7111e-05 deg
i 11.47390149634463 4.6621e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8812 days (24.13 yr)  
   first obs. used      1995-10-02  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:59  

Additional Information
 Jupiter MOID = 2.60019 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.320885046233068E-15 -1.1328846978335E-14 -3.516134295517329E-12 -4.195951945693256E-14 -5.736172997516869E-13 -1.170134086195351E-14
q -1.1328846978335E-14 2.981108082738364E-14 9.113106324204951E-12 1.087049114035298E-13 1.472455572341847E-12 3.104924153503568E-14
tp -3.516134295517329E-12 9.113106324204951E-12 1.562301151095425E-8 4.863972950993341E-11 3.677456484851732E-9 1.977622024641566E-11
node -4.195951945693256E-14 1.087049114035298E-13 4.863972950993341E-11 5.050216106469425E-10 -4.85003063382857E-10 -4.48300557342614E-11
peri -5.736172997516869E-13 1.472455572341847E-12 3.677456484851732E-9 -4.85003063382857E-10 1.377218920975567E-9 4.821076517879532E-11
i -1.170134086195351E-14 3.104924153503568E-14 1.977622024641566E-11 -4.48300557342614E-11 4.821076517879532E-11 2.173525392416648E-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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