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392916 (2012 VE87)
Classification: Main-belt Asteroid          SPK-ID: 2392916
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08885170774625897 6.5866e-08  
a 2.317185673390596 2.861e-08 au
q 2.111299769144676 1.4431e-07 au
i 6.903242302842944 8.9669e-06 deg
node 30.1278509788437 4.7654e-05 deg
peri 236.9455044967894 8.361e-05 deg
M 196.6019345828919 7.6753e-05 deg
tp 2459585.268659187410
(2022-Jan-05.76865919)
0.00027999 TDB
period 1288.367256797559
3.53
2.3861e-05
6.533e-08
d
yr
n .2794234315569592 5.175e-09 deg/d
Q 2.523071577636515 3.1152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2003-01-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:46:57  

Additional Information
 Earth MOID = 1.10509 au 
 Jupiter MOID = 2.5333 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457403.5 (2016-Jan-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08929259900480144 6.5565e-08  
q 2.109992686636594 1.4355e-07 au
tp 2457009.797900924425
(2014-Dec-18.29790092)
0.00025891 TDB
node 30.13889053796663 4.7629e-05 deg
peri 237.1839372130181 8.3536e-05 deg
i 6.905950482446626 8.9697e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2003-01-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:46:57  

Additional Information
 Jupiter MOID = 2.5333 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.298797996052189E-15 -9.281598461505371E-15 -4.69043003328201E-12 -3.638127724604465E-14 -1.123972875829789E-12 1.135552212153782E-14
q -9.281598461505371E-15 2.060689707946427E-14 1.326599778492352E-11 8.183130813319738E-14 3.287568285746624E-12 -2.280300975373566E-14
tp -4.69043003328201E-12 1.326599778492352E-11 6.703356221698666E-8 1.190535534177516E-10 1.778170942711273E-8 -1.017899618772263E-11
node -3.638127724604465E-14 8.183130813319738E-14 1.190535534177516E-10 2.268545343598101E-9 -2.219687281740919E-9 -6.720198850112497E-11
peri -1.123972875829789E-12 3.287568285746624E-12 1.778170942711273E-8 -2.219687281740919E-9 6.97828133429329E-9 6.441219980126403E-11
i 1.135552212153782E-14 -2.280300975373566E-14 -1.017899618772263E-11 -6.720198850112497E-11 6.441219980126403E-11 8.045511384074048E-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 17.2   n/a MPO503476  

392916 (2012 VE87)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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