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52621 (1997 VW4)
Classification: Main-belt Asteroid          SPK-ID: 2052621
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159462106099878 1.4274e-07  
a 2.571008347254565 2.8197e-08 AU
q 2.272909671943751 3.6413e-07 AU
i 14.1289393487049 9.368e-06 deg
node 49.48624132436999 2.8454e-05 deg
peri 129.3787322002497 3.8169e-05 deg
M 287.2303589043846 3.5909e-05 deg
tp 2457304.869680948457
(2015-Oct-09.36968095)
0.00015332 JED
period 1505.752721763068
4.12
2.4771e-05
6.782e-08
d
yr
n .2390830810376888 3.9331e-09 deg/d
Q 2.869107022565379 3.1466e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1989-11-24  
   last obs. used      2014-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52399  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 08:23:20  

Additional Information
 Earth MOID = 1.29962 AU 
 T_jup = 3.378 
[ 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 13.6 mag n/a MPO266195  

52621 (1997 VW4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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