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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156924228711296 1.2264e-07  
a 2.571062685148334 2.0219e-08 au
q 2.273610213749971 3.2226e-07 au
i 14.12982328202548 7.3417e-06 deg
node 49.44203485281145 2.3009e-05 deg
peri 129.1460991478551 3.3193e-05 deg
M 23.07553404675768 3.0483e-05 deg
tp 2457303.980139633328
(2015-Oct-08.48013963)
0.00012702 JED
period 1505.80045781797
4.12
1.7763e-05
4.863e-08
d
yr
n .2390755017578291 2.8202e-09 deg/d
Q 2.868515156546697 2.2558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      9286 days (25.42 yr)  
   first obs. used      1989-11-24  
   last obs. used      2015-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52151  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:55:33  

Additional Information
 Earth MOID = 1.29918 au 
 Jupiter MOID = 2.14604 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
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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