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78446 (2002 RT19)
Classification: Main-belt Asteroid          SPK-ID: 2078446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956052696315856 5.4136e-08  
a 3.086835053080307 2.1063e-08 au
q 2.483033850214304 1.7327e-07 au
i 3.058662497526228 5.339e-06 deg
node 109.6048484263888 0.00010609 deg
peri 262.6237103277067 0.00010684 deg
M 119.2032656041664 1.3977e-05 deg
tp 2458544.574954269835
(2019-Mar-02.07495427)
7.3438e-05 TDB
period 1980.927412231952
5.42
2.0275e-05
5.551e-08
d
yr
n .1817330598673378 1.8601e-09 deg/d
Q 3.69063625594631 2.5183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      10789 days (29.54 yr)  
   first obs. used      1991-09-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:30:25  

Additional Information
 Earth MOID = 1.48417 au 
 Jupiter MOID = 1.77865 au 
 T_jup = 3.194 
[ 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 15.04   n/a MPCxxxxx  

78446 (2002 RT19)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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