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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831996203950264 5.2461e-08  
a 3.14465343433189 1.9584e-08 au
q 2.568554118888372 1.6581e-07 au
i 2.771224513811108 4.7011e-06 deg
node 87.01662503969931 0.00012234 deg
peri 284.5886688299842 0.00012313 deg
M 74.1336845354641 1.2631e-05 deg
tp 2456981.059177501965
(2014-Nov-19.55917750)
7.1e-05 JED
period 2036.843265588099
5.58
1.9027e-05
5.209e-08
d
yr
n .1767440853609602 1.651e-09 deg/d
Q 3.720752749775408 2.3171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1986  
   data-arc span      30694 days (84.04 yr)  
   first obs. used      1931-12-05  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47605  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:44:03  

Additional Information
 Earth MOID = 1.56871 au 
 Jupiter MOID = 1.73937 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 11.0 mag n/a MPO347539  
rotation period rot_per 3.55 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 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.]
[Aznar, A. (2014) Posting on CALL web site. http://www.MinorPlanet.info/call.html]

2525 O'Steen (1981 VG)          Discovered 1981-Nov-02 by Skiff, B. A. at Flagstaff (AM)
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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