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146687 (2001 VC39)
Classification: Main-belt Asteroid          SPK-ID: 2146687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124169111192429 4.2787e-08  
a 2.77149987602767 1.68e-08 au
q 2.459936420797275 1.2102e-07 au
i 4.007003610016448 3.9328e-06 deg
node 54.0947198323082 7.0723e-05 deg
peri 317.0034449492213 7.3982e-05 deg
M 47.86372265057742 1.9482e-05 deg
tp 2458776.434653479248
(2019-Oct-19.93465348)
9.1325e-05 TDB
period 1685.274781828899
4.61
1.5324e-05
4.195e-08
d
yr
n .2136150163057206 1.9423e-09 deg/d
Q 3.083063331258065 1.8689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6938 days (19.00 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:47  

Additional Information
 Earth MOID = 1.46186 au 
 Jupiter MOID = 2.38206 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457029.5 (2015-Jan-07.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113930432843096 4.3283e-08  
q 2.455410168584021 1.2257e-07 au
tp 2457083.444426811597
(2015-Mar-01.94442681)
9.0696e-05 TDB
node 54.13596616049313 7.0816e-05 deg
peri 315.4879599320646 7.3912e-05 deg
i 4.007041756867739 3.9313e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6938 days (19.00 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:47  

Additional Information
 Jupiter MOID = 2.38206 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.873414357496712E-15 -5.266592005060521E-15 -7.49327392095353E-13 2.424277984648206E-15 -1.466069571186252E-13 -1.952928352158711E-15
q -5.266592005060521E-15 1.502261931612463E-14 1.80396986246368E-12 -5.699649111164112E-15 3.366441264525116E-13 5.591128937073489E-15
tp -7.49327392095353E-13 1.80396986246368E-12 8.225817367929199E-9 -2.15916025097318E-11 1.951522854036693E-9 3.868297296200664E-12
node 2.424277984648206E-15 -5.699649111164112E-15 -2.15916025097318E-11 5.014956433039238E-9 -5.007515815338971E-9 -5.793262305878794E-11
peri -1.466069571186252E-13 3.366441264525116E-13 1.951522854036693E-9 -5.007515815338971E-9 5.46292094760873E-9 5.865906795329105E-11
i -1.952928352158711E-15 5.591128937073489E-15 3.868297296200664E-12 -5.793262305878794E-11 5.865906795329105E-11 1.545530546578359E-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 15.8   n/a MPO459680  

146687 (2001 VC39)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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