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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860627627411187 4.073e-08  
a 2.30712436785373 1.0356e-08 au
q 1.877854433983508 9.349e-08 au
i 8.48469541934791 4.5161e-06 deg
node 157.2820694634585 2.9294e-05 deg
peri 147.2682949990702 3.2256e-05 deg
M 82.70145333929544 1.1648e-05 deg
tp 2458306.453796113158
(2018-Jul-06.95379611)
4.114e-05 TDB
period 1279.985165012398
3.50
8.618e-06
2.359e-08
d
yr
n .2812532596786098 1.8936e-09 deg/d
Q 2.736394301723951 1.2283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2000-05-26  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:38:59  

Additional Information
 Earth MOID = .868645 au 
 Jupiter MOID = 2.53747 au 
 T_jup = 3.550 
[ 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 ]
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