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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657457606653248 5.8414e-08  
a 3.035835541148328 5.512e-08 au
q 2.53265867012587 2.0356e-07 au
i 10.35525643898926 7.6296e-06 deg
node 192.9132211061622 4.0134e-05 deg
peri 147.667830044499 4.7763e-05 deg
M 276.4349453530916 2.6525e-05 deg
tp 2459048.974742493267
(2020-Jul-18.47474249)
0.00014569 TDB
period 1932.038553433162
5.29
5.2618e-05
1.441e-07
d
yr
n .1863316854419354 5.0746e-09 deg/d
Q 3.539012412170786 6.4255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5426 days (14.86 yr)  
   first obs. used      2004-08-21  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:48  

Additional Information
 Earth MOID = 1.53125 au 
 Jupiter MOID = 1.94467 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457720.5 (2016-Nov-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671116143440196 5.8695e-08  
q 2.524593366381337 2.0411e-07 au
tp 2457122.667909782321
(2015-Apr-10.16790978)
0.0001379 TDB
node 192.9368471385327 4.0086e-05 deg
peri 148.1398798118362 4.7609e-05 deg
i 10.36638857904755 7.6363e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5426 days (14.86 yr)  
   first obs. used      2004-08-21  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:48  

Additional Information
 Jupiter MOID = 1.94467 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.445089116461714E-15 -1.17472362987649E-14 2.729939219269547E-12 2.892304022811942E-14 4.447237545640302E-13 4.575662570807471E-15
q -1.17472362987649E-14 4.166119776363411E-14 -8.7239212405707E-12 -1.062865702062815E-13 -1.289712643080388E-12 -9.674789519013959E-15
tp 2.729939219269547E-12 -8.7239212405707E-12 1.901625634974048E-8 -8.422089253369095E-12 3.601957143129145E-9 2.196909407804779E-11
node 2.892304022811942E-14 -1.062865702062815E-13 -8.422089253369095E-12 1.606872908411515E-9 -1.58231313013606E-9 1.48042818186821E-10
peri 4.447237545640302E-13 -1.289712643080388E-12 3.601957143129145E-9 -1.58231313013606E-9 2.266602101201183E-9 -1.411538365916845E-10
i 4.575662570807471E-15 -9.674789519013959E-15 2.196909407804779E-11 1.48042818186821E-10 -1.411538365916845E-10 5.831368000697491E-11

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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