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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021875586481387 9.8774e-08  
a 2.979282294916558 4.5918e-08 AU
q 2.674836710675411 3.0392e-07 AU
i 11.17844704109257 8.568e-06 deg
node 74.1952063328924 4.6042e-05 deg
peri 300.961575527734 6.2469e-05 deg
M 316.278935169905 4.8634e-05 deg
tp 2457028.615155764987
(2015-Jan-06.11515576)
0.00025668 JED
period 1878.304117123606
5.14
4.3424e-05
1.189e-07
d
yr
n .191662253581862 4.431e-09 deg/d
Q 3.283727879157705 5.061e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      5935 days (16.25 yr)  
   first obs. used      1997-04-08  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53792  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 01:38:53  

Additional Information
 Earth MOID = 1.6969 AU 
 T_jup = 3.223 
[ 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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