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249339 (2008 VG64)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249339
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845474918717028 5.1156e-08  
a 3.204999371724254 3.9522e-08 au
q 2.61352477622216 1.7972e-07 au
i 9.429025890867051 5.7003e-06 deg
node 281.8627444985338 4.1545e-05 deg
peri 116.6705358464328 4.6487e-05 deg
M 9.127663397042724 1.9694e-05 deg
tp 2458947.362946914902
(2020-Apr-07.86294691)
0.00011437 TDB
period 2095.754223017566
5.74
3.8765e-05
1.061e-07
d
yr
n .1717758676309166 3.1773e-09 deg/d
Q 3.796473967226349 4.6815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.63869 au 
 Jupiter MOID = 1.71511 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800645138931761 5.0908e-08  
q 2.637028526438201 1.7792e-07 au
tp 2456839.631721760171
(2014-Jul-01.13172176)
0.00011772 TDB
node 282.439793161394 4.1586e-05 deg
peri 115.2564991884678 4.694e-05 deg
i 9.396970321621929 5.716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Jupiter MOID = 1.71511 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.59161789619325E-15 -8.924773678661846E-15 -2.363018087918937E-12 3.547282570147001E-15 -5.014341497786257E-13 -4.26093944423789E-15
q -8.924773678661846E-15 3.165405007599502E-14 7.264823319748522E-12 2.363556048521092E-15 1.617599801617976E-12 1.774903528704306E-14
tp -2.363018087918937E-12 7.264823319748522E-12 1.38578443388546E-8 2.109272877376251E-11 2.627928458612284E-9 1.28061769595055E-11
node 3.547282570147001E-15 2.363556048521092E-15 2.109272877376251E-11 1.729369622354925E-9 -1.702374570336222E-9 1.101737581065706E-10
peri -5.014341497786257E-13 1.617599801617976E-12 2.627928458612284E-9 -1.702374570336222E-9 2.203377470616142E-9 -1.062091690309832E-10
i -4.26093944423789E-15 1.774903528704306E-14 1.28061769595055E-11 1.101737581065706E-10 -1.062091690309832E-10 3.267293211018486E-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 15.1   n/a MPO494359  
diameter diameter 6.866 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249339 (2008 VG64)          Discovered 2008-Nov-09 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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