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JPL Small-Body Database Browser
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452504 (2004 RF91)
Classification: Main-belt Asteroid          SPK-ID: 2452504
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3410647831090119 1.105e-07  
a 3.07519833693836 2.9393e-08 au
q 2.026356483133284 3.3063e-07 au
i 21.04745888248475 1.476e-05 deg
node 168.3895093976732 3.5661e-05 deg
peri 167.2409497070383 5.4153e-05 deg
M 260.0539052616738 3.0711e-05 deg
tp 2459147.354074229893
(2020-Oct-24.85407423)
0.00017357 TDB
period 1969.736458820026
5.39
2.8241e-05
7.732e-08
d
yr
n .1827655666259326 2.6204e-09 deg/d
Q 4.124040190743435 3.9419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5932 days (16.24 yr)  
   first obs. used      1999-10-13  
   last obs. used      2016-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58728  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:49:18  

Additional Information
 Earth MOID = 1.02133 au 
 Jupiter MOID = 1.33995 au 
 T_jup = 3.041 
[ 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 17.3   n/a MPO368963  

452504 (2004 RF91)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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