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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3411247481592876 1.1046e-07  
a 3.077757228569157 2.9999e-08 au
q 2.027858069078076 3.3061e-07 au
i 21.04374417815637 1.4753e-05 deg
node 168.3515074020293 3.5665e-05 deg
peri 167.1405502799491 5.4107e-05 deg
M 333.2518368305127 3.1411e-05 deg
tp 2459147.035020666639
(2020-Oct-24.53502067)
0.00017365 TDB
period 1972.195515098652
5.40
2.8834e-05
7.894e-08
d
yr
n .1825376831272189 2.6688e-09 deg/d
Q 4.127656388060237 4.0232e-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 = 1.02379 au 
 Jupiter MOID = 1.34029 au 
 T_jup = 3.040 
[ 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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