Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829820791635098 4.8257e-08  
a 3.14572427285688 1.8455e-08 au
q 2.570113104934408 1.5041e-07 au
i 2.77087972580109 4.6291e-06 deg
node 87.01042955153612 0.00010892 deg
peri 284.6986302019921 0.00010979 deg
M 109.3844432234936 1.2707e-05 deg
tp 2456981.297834082963
(2014-Nov-19.79783408)
7.1165e-05 JED
period 2037.883753493899
5.58
1.7934e-05
4.91e-08
d
yr
n .1766538446478065 1.5546e-09 deg/d
Q 3.721335440779352 2.1832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      30814 days (84.36 yr)  
   first obs. used      1931-12-05  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48457  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:39:49  

Additional Information
 Earth MOID = 1.57084 au 
 Jupiter MOID = 1.73831 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. 2016-February); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 04:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin