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447045 (2004 RL91)
Classification: Main-belt Asteroid          SPK-ID: 2447045
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645427295576015 5.8311e-08  
a 3.034114842344527 5.2131e-08 au
q 2.534873304393927 2.0115e-07 au
i 10.35107543061762 7.2939e-06 deg
node 192.7966699295969 3.8488e-05 deg
peri 147.6841245895515 4.5764e-05 deg
M 350.9749866413466 2.4758e-05 deg
tp 2459048.894031402990
(2020-Jul-18.39403140)
0.00013301 TDB
period 1930.39617923358
5.29
4.9751e-05
1.362e-07
d
yr
n .18649021577681 4.8063e-09 deg/d
Q 3.533356380295127 6.0709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5765 days (15.78 yr)  
   first obs. used      2004-08-21  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:24:04  

Additional Information
 Earth MOID = 1.53434 au 
 Jupiter MOID = 1.95322 au 
 T_jup = 3.197 
[ 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 16.2   n/a MPO440855  

447045 (2004 RL91)          Discovered 2004-Aug-21 by CSS at Catalina
Reference: Last Updated: 2015-10-28

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