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2525 O'Steen (1981 VG)
Classification: Main-belt Asteroid          SPK-ID: 2002525
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836364508701974 6.8076e-08  
a 3.145800054611265 2.3269e-08 AU
q 2.568116497435179 2.1033e-07 AU
i 2.771273625052892 5.996e-06 deg
node 87.02051295604826 0.00014648 deg
peri 284.5521365639634 0.00014758 deg
M 328.1188891306936 2.034e-05 deg
tp 2456980.978737855115
(2014-Nov-19.47873786)
0.00011631 JED
period 2037.957394087974
5.58
2.2612e-05
6.191e-08
d
yr
n .1766474613474965 1.96e-09 deg/d
Q 3.723483611787351 2.7542e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      29801 days (81.59 yr)  
   first obs. used      1931-12-05  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54954  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 14:14:13  

Additional Information
 Earth MOID = 1.56865 AU 
 T_jup = 3.181 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.9 mag n/a MPO265970  
rotation period rot_per 3.55 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Apostolovska, G.; Ivanova, V.; Borisov, G. (2004) Minor Planet Bul. 31, 44-45.]

2525 O'Steen (1981 VG)          Discovered 1981-Nov-02 by Skiff, B. A. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 VG = 1931 XO = 1936 RL = 1939 DA = 1953 RB1 = 1953 TO = 1959 UO = 1965 UM2 = 1975 RJ = 1977 BN = 1988 BJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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