Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
32513 (2001 OL31)
Classification: Jupiter Trojan          SPK-ID: 2032513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06119575412250691 7.0802e-08  
a 5.191807751943791 1.2993e-07 au
q 4.874091161304513 3.6296e-07 au
i 25.37115769788382 7.9126e-06 deg
node 266.1427557211716 1.7055e-05 deg
peri 110.004088828457 8.8278e-05 deg
M 191.7716307727252 8.4482e-05 deg
tp 2461019.670836246686
(2025-Dec-10.17083625)
0.0010465 TDB
period 4320.921045526932
11.83
0.00016221
4.441e-07
d
yr
n .08331557003863244 3.1277e-09 deg/d
Q 5.509524342583068 1.3789e-07 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      25099 days (68.72 yr)  
   first obs. used      1951-08-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:27:43  

Additional Information
 Earth MOID = 3.9674 au 
 Jupiter MOID = .0116665 au 
 T_jup = 2.804 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.5   n/a MPO435989  

32513 (2001 OL31)          Discovered 2001-Jul-19 by JPL/GEODSS NEAT at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 14:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin