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212895 (2007 VS309)
Classification: Main-belt Asteroid          SPK-ID: 2212895
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 .06697104552321868 6.7487e-08  
a 2.561720280589827 1.7868e-08 au
q 2.390159195060694 1.7578e-07 au
i .7859833862897422 6.7183e-06 deg
node 174.5380595275014 0.00041473 deg
peri 274.1007367131679 0.00042538 deg
M 5.574901171727163 9.0611e-05 deg
tp 2458977.308402835971
(2020-May-07.80840284)
0.00037692 TDB
period 1497.600535304891
4.10
1.5669e-05
4.29e-08
d
yr
n .2403845294611282 2.515e-09 deg/d
Q 2.733281366118961 1.9065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7817 days (21.40 yr)  
   first obs. used      1998-09-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:51:35  

Additional Information
 Earth MOID = 1.40675 au 
 Jupiter MOID = 2.38127 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06534315167417004 6.7422e-08  
q 2.394309066587998 1.7526e-07 au
tp 2457478.051949319005
(2016-Mar-30.55194932)
0.00038687 TDB
node 174.4859729028636 0.00041569 deg
peri 273.7844176131363 0.00042687 deg
i .7845795142725079 6.7152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7817 days (21.40 yr)  
   first obs. used      1998-09-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:51:35  

Additional Information
 Jupiter MOID = 2.38127 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.54573016294766E-15 -1.176356098115622E-14 -2.156418562250712E-11 -6.887413908335631E-14 -5.415157148996211E-12 -3.536860621454852E-15
q -1.176356098115622E-14 3.071726416607038E-14 5.539418047979116E-11 1.768351812879119E-13 1.389963707956256E-11 9.160586289885603E-15
tp -2.156418562250712E-11 5.539418047979116E-11 1.496693925632523E-7 4.688017739326463E-10 3.758649717285445E-8 2.101976871286177E-11
node -6.887413908335631E-14 1.768351812879119E-13 4.688017739326463E-10 1.728004650792052E-7 -1.726652988142852E-7 1.758403726247746E-9
peri -5.415157148996211E-12 1.389963707956256E-11 3.758649717285445E-8 -1.726652988142852E-7 1.822183477373221E-7 -1.75290296234154E-9
i -3.536860621454852E-15 9.160586289885603E-15 2.101976871286177E-11 1.758403726247746E-9 -1.75290296234154E-9 4.509325790793183E-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 16.7   n/a MPO494175  

212895 (2007 VS309)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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