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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159461278841145 1.2261e-07  
a 2.571008320761519 1.9812e-08 AU
q 2.272909861211381 3.2189e-07 AU
i 14.12892866935714 7.3962e-06 deg
node 49.48627194557542 2.3068e-05 deg
peri 129.3786889778756 3.3301e-05 deg
M 287.2303842701222 3.0302e-05 deg
tp 2457304.869570147964
(2015-Oct-09.36957015)
0.00012816 JED
period 1505.752698488944
4.12
1.7405e-05
4.765e-08
d
yr
n .239083084733149 2.7635e-09 deg/d
Q 2.869106780311656 2.2109e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1989-11-24  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51936  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:23:08  

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
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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