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146689 (2001 VB56)
Classification: Main-belt Asteroid          SPK-ID: 2146689
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484282914577585 6.7045e-08  
a 2.644573068626486 1.5102e-08 au
q 2.252043606415055 1.7694e-07 au
i 4.153537103695441 4.8919e-06 deg
node 307.5927993132375 6.5482e-05 deg
peri 65.21833798966466 6.7469e-05 deg
M 137.6006157655676 1.5521e-05 deg
tp 2458400.087590388333
(2018-Oct-08.58759039)
6.6275e-05 TDB
period 1570.839390925805
4.30
1.3456e-05
3.684e-08
d
yr
n .2291768350600291 1.9631e-09 deg/d
Q 3.037102530837917 1.7344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:23  

Additional Information
 Earth MOID = 1.256 au 
 Jupiter MOID = 2.45171 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457529.5 (2016-May-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467946972369774 6.6989e-08  
q 2.258785366798355 1.7633e-07 au
tp 2456825.967598027986
(2014-Jun-17.46759803)
6.5604e-05 TDB
node 307.7444870786301 6.5387e-05 deg
peri 64.7444763760418 6.7447e-05 deg
i 4.154994196722353 4.8944e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:23  

Additional Information
 Jupiter MOID = 2.45171 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.48758825781185E-15 -1.178046072548301E-14 -8.6900088663951E-13 -2.961436042490991E-15 -4.381751096757897E-13 -4.747293190092619E-15
q -1.178046072548301E-14 3.109166787521175E-14 2.329254042742818E-12 8.839956127028897E-15 1.174095526548946E-12 1.246133404011415E-14
tp -8.6900088663951E-13 2.329254042742818E-12 4.303825676765919E-9 -6.587361911287951E-12 1.08385386072448E-9 -6.293398581549817E-13
node -2.961436042490991E-15 8.839956127028897E-15 -6.587361911287951E-12 4.275446636347968E-9 -4.26529684616259E-9 5.310498750316521E-11
peri -4.381751096757897E-13 1.174095526548946E-12 1.08385386072448E-9 -4.26529684616259E-9 4.549126022295229E-9 -5.287153023000459E-11
i -4.747293190092619E-15 1.246133404011415E-14 -6.293398581549817E-13 5.310498750316521E-11 -5.287153023000459E-11 2.39556002213075E-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 16.1   n/a MPO459680  

146689 (2001 VB56)          Discovered 2001-Nov-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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