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154902 Davidtoth (2004 RU247)
Classification: Main-belt Asteroid          SPK-ID: 2154902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104389989510041 5.6476e-08  
a 3.136378130465059 2.7658e-08 au
q 2.789999669404676 1.9205e-07 au
i 8.625321535525952 4.7289e-06 deg
node 173.1618082597689 2.7383e-05 deg
peri 209.5340971008953 3.4951e-05 deg
M 318.0742048503741 2.463e-05 deg
tp 2459436.776135787176
(2021-Aug-10.27613579)
0.00014054 TDB
period 2028.808483651202
5.55
2.6836e-05
7.347e-08
d
yr
n .1774440529507822 2.3471e-09 deg/d
Q 3.482756591525443 3.0712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7678 days (21.02 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:14:52  

Additional Information
 Earth MOID = 1.7948 au 
 Jupiter MOID = 1.98959 au 
 T_jup = 3.185 
[ 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 15.02   n/a E2021B55  

154902 Davidtoth           Discovered 2004 Sept. 12 at Jarnac.
David Toth (b. 1955) is a Canadian Emergency Room physician, private pilot and radio operator (call sign VE3GYQ). He has always been willing to diagnose problems and assist fellow amateur astronomers in resolving their issues.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

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