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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645427371137035 5.5854e-08  
a 3.034114827883531 3.9375e-08 au
q 2.534873269386301 1.8491e-07 au
i 10.35107726357072 6.1589e-06 deg
node 192.7966855833903 2.4573e-05 deg
peri 147.6841045458861 3.3616e-05 deg
M 350.9749934513774 1.8472e-05 deg
tp 2459048.893994540186
(2020-Jul-18.39399454)
9.8654e-05 TDB
period 1930.396165432792
5.29
3.7577e-05
1.029e-07
d
yr
n .1864902171100659 3.6302e-09 deg/d
Q 3.533356386380761 4.5854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5915 days (16.19 yr)  
   first obs. used      2004-08-21  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:55:15  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1933-Sep-23 21:49 00:05 Jupiter 1.99401402912081 1.99401302241864 1.99401503584213 3.34079465687119 3.21112810195109 2427339.408913060 4.88048607990463 391.449092504879 24.6263753491404 -85.863583302695 2163008.31198585 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 07:55:16 2020-Nov-12 07:55
2086-Mar-29 22:35 00:05 Jupiter 1.99538539094041 1.99538431565043 1.99538646623346 2.37452820604097 2.18847043089557 2483044.440843503 4.63891059033334 156.607794605191 29.1105464347703 65.7520341613161 2276377.71270889 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 07:55:16 2020-Nov-12 07:55
2133-Dec-24 16:09 00:08 Jupiter 1.97299525117634 1.97299395759179 1.97299654477805 2.52556300352778 2.34943665929588 2500480.173056839 7.56470608200865 335.586345929515 28.2004970772631 71.8605174045193 1885506.56941702 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 07:55:16 2020-Nov-12 07:55
2181-Sep-15 13:33 00:10 Jupiter 1.95249328365096 1.95249201385824 1.95249455349862 2.69901155258227 2.53318607272727 2517912.064297996 10.34988337974 587.864653091879 24.8395122701751 78.5658073706713 1867390.29016168 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 07:55:16 2020-Nov-12 07:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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