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JPL Small-Body Database Browser
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379310 (2009 VH91)
Classification: Main-belt Asteroid          SPK-ID: 2379310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007730492105661 6.2516e-08  
a 2.582005618532683 3.2356e-08 au
q 2.063608477421063 1.6282e-07 au
i 14.45926971593034 6.6894e-06 deg
node 66.09215857304281 2.5072e-05 deg
peri 262.368838429626 3.0974e-05 deg
M 167.9997912850788 1.8883e-05 deg
tp 2457893.302946181694
(2017-May-19.80294618)
7.9018e-05 TDB
period 1515.424140870358
4.15
2.8486e-05
7.799e-08
d
yr
n .237557255616398 4.4654e-09 deg/d
Q 3.100402759644304 3.8853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4851 days (13.28 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60151  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:44:45  

Additional Information
 Earth MOID = 1.11012 au 
 Jupiter MOID = 2.37332 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457577.5 (2016-Jul-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001893989300094 6.2565e-08  
q 2.065315209236951 1.6277e-07 au
tp 2457893.183354397027
(2017-May-19.68335440)
7.9221e-05 TDB
node 66.09682190210688 2.5071e-05 deg
peri 262.3941769194516 3.0999e-05 deg
i 14.45830034489657 6.6893e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4851 days (13.28 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60151  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:44:45  

Additional Information
 Jupiter MOID = 2.37332 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.914317574930382E-15 -1.005468283073929E-14 2.62443015835136E-12 -4.285991288565538E-14 5.20981974010327E-13 -6.494868753811595E-15
q -1.005468283073929E-14 2.649415738246686E-14 -6.866943535876947E-12 1.105775530327552E-13 -1.411977616567506E-12 1.96270482494751E-14
tp 2.62443015835136E-12 -6.866943535876947E-12 6.275895142319523E-9 -2.234193824887552E-11 1.478274194111154E-9 -2.049443014974139E-11
node -4.285991288565538E-14 1.105775530327552E-13 -2.234193824887552E-11 6.285700389155917E-10 -6.119460053310611E-10 -6.406788590388872E-11
peri 5.20981974010327E-13 -1.411977616567506E-12 1.478274194111154E-9 -6.119460053310611E-10 9.609127245094132E-10 5.728810299224472E-11
i -6.494868753811595E-15 1.96270482494751E-14 -2.049443014974139E-11 -6.406788590388872E-11 5.728810299224472E-11 4.474685639021221E-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 16.1   n/a MPO437555  

379310 (2009 VH91)          Discovered 2009-Nov-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 VH91 = 2005 WK33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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