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249678 (1999 VC211)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249678
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450641095537977 5.1198e-08  
a 3.203036114442109 3.8036e-08 au
q 2.738390532631909 1.5216e-07 au
i 2.377529537805078 5.4174e-06 deg
node 119.4013418734586 0.00016797 deg
peri 339.6891475163498 0.00017004 deg
M 188.0774170191397 2.8451e-05 deg
tp 2460000.434623919656
(2023-Feb-24.93462392)
0.00017525 TDB
period 2093.828852322162
5.73
3.7296e-05
1.021e-07
d
yr
n .1719338233403088 3.0625e-09 deg/d
Q 3.66768169625231 4.3553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:56  

Additional Information
 Earth MOID = 1.75542 au 
 Jupiter MOID = 1.49328 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457124.5 (2015-Apr-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487448212571882 5.2162e-08  
q 2.715973008981426 1.5807e-07 au
tp 2457898.722381877358
(2017-May-25.22238188)
0.00014973 TDB
node 119.5657578032602 0.00016943 deg
peri 337.5400729383143 0.00017129 deg
i 2.370392995793335 5.4017e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:56  

Additional Information
 Jupiter MOID = 1.49328 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.720902297955368E-15 -8.108176874892921E-15 1.849561838857307E-13 -4.114019107005808E-16 -6.90706997997839E-14 9.660940194646006E-17
q -8.108176874892921E-15 2.498729308507359E-14 1.681389627801068E-12 -1.324990570084293E-14 5.281895376575666E-13 1.239760336824589E-16
tp 1.849561838857307E-13 1.681389627801068E-12 2.2419699820261E-8 -5.537893123694107E-11 3.83693029805612E-9 1.947076180584907E-12
node -4.114019107005808E-16 -1.324990570084293E-14 -5.537893123694107E-11 2.870598626354512E-8 -2.869001929643058E-8 -3.896349775583209E-11
peri -6.90706997997839E-14 5.281895376575666E-13 3.83693029805612E-9 -2.869001929643058E-8 2.934179288368793E-8 3.923396620583132E-11
i 9.660940194646006E-17 1.239760336824589E-16 1.947076180584907E-12 -3.896349775583209E-11 3.923396620583132E-11 2.917879220497605E-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 16.0   n/a MPO437159  
diameter diameter 3.608 km 0.844 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249678 (1999 VC211)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 VC211 = 2007 DO112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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