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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834606341466393 5.7415e-08  
a 3.14512015971199 2.48e-08 AU
q 2.568114420743849 1.8101e-07 AU
i 2.771249576891664 5.4967e-06 deg
node 87.01859219728757 0.00013319 deg
peri 284.5613327794914 0.00013404 deg
M 3.443490926657602 1.5856e-05 deg
tp 2456981.012742105361
(2014-Nov-19.51274211)
8.9636e-05 JED
period 2037.296740862757
5.58
2.4097e-05
6.597e-08
d
yr
n .1767047444681754 2.09e-09 deg/d
Q 3.722125898680131 2.935e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      30219 days (82.74 yr)  
   first obs. used      1931-12-05  
   last obs. used      2014-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50446  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:41:27  

Additional Information
 Earth MOID = 1.57001 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. 2014-Mar-01) 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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