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43018 (1999 VY2)
Classification: Main-belt Asteroid          SPK-ID: 2043018
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692816782969806 7.186e-08  
a 2.811762739936483 2.4663e-08 au
q 2.335782824347119 1.9887e-07 au
i 7.849982606117218 6.3779e-06 deg
node 271.8209448875883 5.5795e-05 deg
peri 122.3844121189382 5.8832e-05 deg
M 214.1736647002403 1.978e-05 deg
tp 2458298.089436212062
(2018-Jun-28.58943621)
9.7513e-05 JED
period 1722.131990220537
4.71
2.2658e-05
6.203e-08
d
yr
n .2090432104184408 2.7504e-09 deg/d
Q 3.287742655525848 2.8838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      9221 days (25.25 yr)  
   first obs. used      1991-01-19  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58574  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:21:21  

Additional Information
 Earth MOID = 1.3527 au 
 Jupiter MOID = 2.18004 au 
 T_jup = 3.286 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO266158  

43018 (1999 VY2)          Discovered 1999-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VY2 = 1998 ME31 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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