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305159 (2007 VJ221)
Classification: Main-belt Asteroid          SPK-ID: 2305159
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282963475567288 7.557e-08  
a 2.60382412173392 2.568e-08 au
q 2.269762997235351 2.0303e-07 au
i 5.722748983750186 6.8352e-06 deg
node 107.5217772622438 7.1232e-05 deg
peri 230.4292104688107 7.9493e-05 deg
M 58.18146632640961 2.947e-05 deg
tp 2458752.473515613204
(2019-Sep-25.97351561)
0.00012719 TDB
period 1534.673153101957
4.20
2.2703e-05
6.216e-08
d
yr
n .2345776358127789 3.4702e-09 deg/d
Q 2.937885246232489 2.8974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:20  

Additional Information
 Earth MOID = 1.26525 au 
 Jupiter MOID = 2.41862 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457236.5 (2015-Aug-02.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130219031296514 7.5937e-08  
q 2.264723282635472 2.0465e-07 au
tp 2457218.150106596108
(2015-Jul-14.65010660)
0.00013586 TDB
node 107.5978906314983 7.1338e-05 deg
peri 230.475123094938 7.9292e-05 deg
i 5.719715315622238 6.8312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:20  

Additional Information
 Jupiter MOID = 2.41862 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.766422193379101E-15 -1.545127268759666E-14 3.657375119359623E-12 7.109060285077675E-14 1.032887098559006E-12 -3.398634015217946E-16
q -1.545127268759666E-14 4.187962844805039E-14 -1.128587036005034E-11 -1.928260197763473E-13 -3.13701660910939E-12 1.156047393141966E-15
tp 3.657375119359623E-12 -1.128587036005034E-11 1.845658489231003E-8 9.32185417081067E-11 4.750336783182474E-9 4.957572264140249E-12
node 7.109060285077675E-14 -1.928260197763473E-13 9.32185417081067E-11 5.089081959663833E-9 -5.037794400448798E-9 6.569215633648491E-11
peri 1.032887098559006E-12 -3.13701660910939E-12 4.750336783182474E-9 -5.037794400448798E-9 6.287142973129965E-9 -6.405840255797479E-11
i -3.398634015217946E-16 1.156047393141966E-15 4.957572264140249E-12 6.569215633648491E-11 -6.405840255797479E-11 4.666562900112583E-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 17.3   n/a MPO440438  

305159 (2007 VJ221)          Discovered 2007-Nov-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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