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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690083349431571 7.5113e-08  
a 2.812375592919201 2.6115e-08 au
q 2.337060676725152 2.0654e-07 au
i 7.848703117550084 6.6295e-06 deg
node 271.8323600989074 5.7816e-05 deg
peri 122.3984712899616 6.1515e-05 deg
M 172.330441015415 2.0607e-05 deg
tp 2456575.853336935451
(2013-Oct-10.35333694)
9.7812e-05 JED
period 1722.695055812468
4.72
2.3994e-05
6.569e-08
d
yr
n .2089748843159096 2.9107e-09 deg/d
Q 3.287690509113249 3.0528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1991-01-19  
   last obs. used      2015-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58557  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:30:50  

Additional Information
 Earth MOID = 1.35405 au 
 Jupiter MOID = 2.18135 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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