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199763 Davidgregory (2006 JJ77)
Classification: Main-belt Asteroid          SPK-ID: 2199763
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1179209394857594 5.967e-08  
a 3.149007865459286 4.0176e-08 au
q 2.777673899516281 1.7593e-07 au
i .5693080875407583 7.7053e-06 deg
node 162.1499523752711 0.00066015 deg
peri 149.6521820914155 0.00066117 deg
M 104.8044673911746 4.0206e-05 deg
tp 2458406.294948601962
(2018-Oct-14.79494860)
0.0002254 TDB
period 2041.075383789479
5.59
3.9061e-05
1.069e-07
d
yr
n .1763776109687927 3.3754e-09 deg/d
Q 3.520341831402291 4.4914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 23:37:25  

Additional Information
 Earth MOID = 1.76344 au 
 Jupiter MOID = 1.73004 au 
 T_jup = 3.197 
[ 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 16.1   n/a MPO454408  

199763 Davidgregory           Discovered 2006 May 1 by P. A. Wiegert at Mauna Kea.
David Arthur Gregory (b. 1951) is a physician in St. Thomas, Ontario, who collects, displays and assists scientists in identifying and studying meteorites. The name was suggested by P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 JJ77 = 2002 TJ145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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