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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159462032153622 1.4024e-07  
a 2.571008345217612 2.7312e-08 AU
q 2.272909689154619 3.5878e-07 AU
i 14.12893917678039 9.2432e-06 deg
node 49.48624182980918 2.805e-05 deg
peri 129.3787306561352 3.7758e-05 deg
M 287.2303608292534 3.5309e-05 deg
tp 2457304.869672535693
(2015-Oct-09.36967254)
0.00015063 JED
period 1505.752719973606
4.12
2.3993e-05
6.569e-08
d
yr
n .2390830813218192 3.8097e-09 deg/d
Q 2.869107001280605 3.0479e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      9106 days (24.93 yr)  
   first obs. used      1989-11-24  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52093  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:37:57  

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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