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66909 (1999 VD163)
Classification: Main-belt Asteroid          SPK-ID: 2066909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06787064104061905 5.2364e-08  
a 2.831727175838642 1.6884e-08 au
q 2.639536037162332 1.4895e-07 au
i 1.547921664338841 4.6961e-06 deg
node 326.1513755145648 0.00017466 deg
peri 29.844938431268 0.00017756 deg
M 234.4256523090714 3.435e-05 deg
tp 2460003.619203461163
(2023-Feb-28.11920346)
0.00016742 TDB
period 1740.506060871278
4.77
1.5567e-05
4.262e-08
d
yr
n .206836395513491 1.8499e-09 deg/d
Q 3.023918314514953 1.803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      7882 days (21.58 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:33:38  

Additional Information
 Earth MOID = 1.63399 au 
 Jupiter MOID = 2.293 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06567649174645523 5.2038e-08  
q 2.649256083570186 1.4759e-07 au
tp 2456515.809014435049
(2013-Aug-11.30901443)
0.00016823 TDB
node 326.265472864072 0.00017423 deg
peri 28.99285410732433 0.00017738 deg
i 1.549479973709776 4.6984e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      7882 days (21.58 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:33:38  

Additional Information
 Jupiter MOID = 2.293 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.707933668962628E-15 -7.635942777585607E-15 3.174672158888116E-12 6.745425336507658E-16 5.873514621217857E-13 1.664716717621662E-16
q -7.635942777585607E-15 2.178246834563752E-14 -8.755675897028411E-12 -6.58884052730004E-16 -1.596010580385161E-12 -4.595203829840088E-16
tp 3.174672158888116E-12 -8.755675897028411E-12 2.830142626371E-8 -2.294395020997429E-11 5.618007658742787E-9 -7.143165549486632E-14
node 6.745425336507658E-16 -6.58884052730004E-16 -2.294395020997429E-11 3.035704497665063E-8 -3.035059051565402E-8 2.990962504177013E-10
peri 5.873514621217857E-13 -1.596010580385161E-12 5.618007658742787E-9 -3.035059051565402E-8 3.146265343425123E-8 -2.990034531528283E-10
i 1.664716717621662E-16 -4.595203829840088E-16 -7.143165549486632E-14 2.990962504177013E-10 -2.990034531528283E-10 2.207532278374118E-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 15.25   n/a E2021B10  

66909 (1999 VD163)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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