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 ]  
117104 (2004 OB4)
Classification: Main-belt Asteroid          SPK-ID: 2117104
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .186192478580561 4.0728e-08  
a 2.307176986616938 1.0355e-08 au
q 1.877597984954701 9.3482e-08 au
i 8.4856380831948 4.4821e-06 deg
node 157.2699818118571 2.9151e-05 deg
peri 147.3381182857644 3.1988e-05 deg
M 195.1133167901701 1.1642e-05 deg
tp 2459586.777024150219
(2022-Jan-07.27702415)
4.2509e-05 TDB
period 1280.028954342483
3.50
8.6175e-06
2.359e-08
d
yr
n .2812436381057665 1.8934e-09 deg/d
Q 2.736755988279176 1.2283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-05-26  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:10  

Additional Information
 Earth MOID = .869178 au 
 Jupiter MOID = 2.53938 au 
 T_jup = 3.549 
[ 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 16.4   n/a MPO412802  

117104 (2004 OB4)          Discovered 2004-Jul-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 OB4 = 2000 KU82 = 2001 YX19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 20:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin