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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954522849144238 5.5854e-08  
a 3.086894749724383 2.2776e-08 au
q 2.483554117600414 1.8017e-07 au
i 3.05869506776685 5.5435e-06 deg
node 109.6054436850129 0.00011179 deg
peri 262.6220435568362 0.00011264 deg
M 82.87588639860537 1.3964e-05 deg
tp 2458544.455895588776
(2019-Mar-01.95589559)
7.4853e-05 TDB
period 1980.984876570846
5.42
2.1924e-05
6.002e-08
d
yr
n .1817277881611961 2.0113e-09 deg/d
Q 3.690235381848352 2.7228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      10400 days (28.47 yr)  
   first obs. used      1991-09-04  
   last obs. used      2020-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:50  

Additional Information
 Earth MOID = 1.48615 au 
 Jupiter MOID = 1.77794 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 15.0   n/a MPO412653  

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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