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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102021236055331 9.3652e-08  
a 2.978730182112563 3.2885e-08 AU
q 2.674836447058118 2.9266e-07 AU
i 11.17846708677003 6.8984e-06 deg
node 74.19061187202539 4.4237e-05 deg
peri 300.98612490 5.493e-05 deg
M 354.5916572180507 3.3082e-05 deg
tp 2457028.710246726443
(2015-Jan-06.21024673)
0.00017266 JED
period 1877.782017703239
5.14
3.1096e-05
8.514e-08
d
yr
n .1917155434475428 3.1748e-09 deg/d
Q 3.282623917167008 3.624e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      6387 days (17.49 yr)  
   first obs. used      1997-04-07  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51387  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:20:32  

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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