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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
154745 (2004 OT4)
Classification: Main-belt Asteroid          SPK-ID: 2154745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203842517128044 4.7491e-08  
a 2.414732660654472 1.2302e-08 au
q 1.882563610149667 1.1759e-07 au
i 4.224602075165971 5.6123e-06 deg
node 291.727013424628 6.1262e-05 deg
peri 27.61006175909821 6.2937e-05 deg
M 69.30543735931826 1.1407e-05 deg
tp 2458736.644094387126
(2019-Sep-10.14409439)
4.3608e-05 TDB
period 1370.572492431768
3.75
1.0474e-05
2.868e-08
d
yr
n .2626639612190539 2.0073e-09 deg/d
Q 2.946901711159277 1.5014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      8046 days (22.03 yr)  
   first obs. used      1997-11-25  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:04:41  

Additional Information
 Earth MOID = .87063 au 
 Jupiter MOID = 2.36793 au 
 T_jup = 3.480 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO436783  

154745 (2004 OT4)          Discovered 2004-Jul-16 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 OT4 = 2001 XG237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 13:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin