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469278 (1994 RF3)
Classification: Main-belt Asteroid          SPK-ID: 2469278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334734023566795 9.6388e-08  
a 2.379638023222749 1.1355e-08 au
q 1.82405583756361 2.3208e-07 au
i 2.026158369396738 1.0352e-05 deg
node 324.220333666561 0.00016296 deg
peri 11.44824854117643 0.000164 deg
M 3.795603882264543 1.4465e-05 deg
tp 2458986.363458975621
(2020-May-16.86345898)
5.3829e-05 TDB
period 1340.80239314649
3.67
9.5972e-06
2.628e-08
d
yr
n .2684959408188258 1.9218e-09 deg/d
Q 2.935220208881887 1.4006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1994-09-02  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:22:24  

Additional Information
 Earth MOID = .814425 au 
 Jupiter MOID = 2.44868 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457311.5 (2015-Oct-16.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336799429373886 9.621e-08  
q 1.823316970826806 2.3154e-07 au
tp 2457646.608538311393
(2016-Sep-15.10853831)
5.0644e-05 TDB
node 324.2789951040342 0.00016302 deg
peri 11.66277440594734 0.00016407 deg
i 2.02578031242098 1.0351e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1994-09-02  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:22:24  

Additional Information
 Jupiter MOID = 2.44868 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.256366158485486E-15 -2.226217304909604E-14 -5.826279514408947E-13 1.571395739171121E-13 -1.816020145038487E-13 -3.915093897377489E-15
q -2.226217304909604E-14 5.360985070216764E-14 1.492823209206864E-12 -3.835570062678609E-13 4.613169941879902E-13 9.496099374253053E-15
tp -5.826279514408947E-13 1.492823209206864E-12 2.564800616741717E-9 -2.763526221505117E-11 9.557048111913031E-10 3.640896354716484E-13
node 1.571395739171121E-13 -3.835570062678609E-13 -2.763526221505117E-11 2.657554020418667E-8 -2.656355436460495E-8 4.284726966892551E-10
peri -1.816020145038487E-13 4.613169941879902E-13 9.557048111913031E-10 -2.656355436460495E-8 2.691941081613764E-8 -4.282350872712922E-10
i -3.915093897377489E-15 9.496099374253053E-15 3.640896354716484E-13 4.284726966892551E-10 -4.282350872712922E-10 1.071470121401319E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO434686  

469278 (1994 RF3)          Discovered 1994-Sep-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 1994 RF3 = 2005 PJ9 = 2009 VU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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