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38540 Stevens (1999 VG2)
Classification: Main-belt Asteroid          SPK-ID: 2038540
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 .102021235548578 9.3629e-08  
a 2.978730182460886 3.267e-08 AU
q 2.674836448880385 2.9265e-07 AU
i 11.17846582691339 6.8341e-06 deg
node 74.19061075152324 4.4229e-05 deg
peri 300.9861263528509 5.4834e-05 deg
M 354.5916567445983 3.2781e-05 deg
tp 2457028.710249200948
(2015-Jan-06.21024920)
0.00017108 JED
period 1877.782018032613
5.14
3.0893e-05
8.458e-08
d
yr
n .1917155434139149 3.154e-09 deg/d
Q 3.282623916041386 3.6003e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      6417 days (17.57 yr)  
   first obs. used      1997-04-07  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51414  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:12:36  

Additional Information
 Earth MOID = 1.69809 AU 
 T_jup = 3.224 
[ 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 13.2 mag n/a MPO266138  

38540 Stevens           Discovered 1999 Nov. 5 by D. S. Dixon at Jornada Observatory.
Berton L. Stevens (b. 1951) is an amateur astronomer at the Desert Moon Observatory. Las Cruces, New Mexico. His dedicated work in follow-up and confirmation astrometry of comets and NEAs has made Desert Moon an amateur observatory of significance; his efforts and contribution are commendable.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050125/MPCPages.arcLast Updated: 2005-06-01

Alternate Designations
 1999 VG2 = 1997 GX38 = 2000 WN72 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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