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305158 (2007 VQ220)
Classification: Main-belt Asteroid          SPK-ID: 2305158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04419027471848378 8.5411e-08  
a 2.688318157574258 3.2068e-08 au
q 2.569520639660364 2.4414e-07 au
i 5.232349319325243 6.9231e-06 deg
node 227.869508332421 6.8238e-05 deg
peri 126.2825824413463 9.9066e-05 deg
M 18.36357066999063 6.8666e-05 deg
tp 2458918.375251073844
(2020-Mar-09.87525107)
0.00030727 TDB
period 1609.976084974066
4.41
2.8808e-05
7.887e-08
d
yr
n .2236058059246259 4.001e-09 deg/d
Q 2.807115675488153 3.3486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1998-12-10  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:20  

Additional Information
 Earth MOID = 1.56903 au 
 Jupiter MOID = 2.37926 au 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO440438  

305158 (2007 VQ220)          Discovered 2007-Nov-09 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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