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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159234585379733 1.4271e-07  
a 2.570380176709606 2.8607e-08 AU
q 2.272412816867981 3.6375e-07 AU
i 14.13082792045766 9.3689e-06 deg
node 49.49003789270204 2.845e-05 deg
peri 129.5000962622728 3.8142e-05 deg
M 239.270024110916 3.5404e-05 deg
tp 2457305.285748167468
(2015-Oct-09.78574817)
0.00015322 JED
period 1505.200908076379
4.12
2.5128e-05
6.88e-08
d
yr
n .2391707300124299 3.9927e-09 deg/d
Q 2.868347536551231 3.1923e-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 = 1.29816 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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