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 ]  
30558 Jamesoconnor (2001 OC68)
Classification: Main-belt Asteroid          SPK-ID: 2030558
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078542867644577 9.8742e-08  
a 2.220626070268221 1.1097e-08 au
q 1.759059422262059 2.183e-07 au
i 6.461355680984071 1.0146e-05 deg
node 335.878232644384 3.853e-05 deg
peri 24.65151870689838 4.1472e-05 deg
M 104.5336389471895 1.3339e-05 deg
tp 2457049.533918941118
(2015-Jan-27.03391894)
4.4088e-05 JED
period 1208.68067402713
3.31
9.0597e-06
2.48e-08
d
yr
n .2978454175167191 2.2325e-09 deg/d
Q 2.682192718274383 1.3403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8920 days (24.42 yr)  
   first obs. used      1991-07-14  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:14:02  

Additional Information
 Earth MOID = .755788 au 
 Jupiter MOID = 2.76562 au 
 T_jup = 3.613 
[ 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 15.2 mag n/a MPO259549  

30558 Jamesoconnor           Discovered 2001 July 16 by the Lowell Observatory Near-Earth-Object Search at the Anderson Mesa Station.
Irish amateur astronomer James O'Connor (b. 1931) has been a stalwart of the Irish Astronomical Society for sixty years, serving as president, secretary and council member. He has also written a history of the Society covering the years 1937--2006. The name was suggested by J. McConnell.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100923/MPCPages.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 2001 OC68 = 1991 NM2 = 2000 EV144 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-08 03:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin