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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178630183185086 5.9425e-08  
a 3.149709012769515 3.9844e-08 au
q 2.77847480169949 1.7453e-07 au
i .5693307188356653 7.3394e-06 deg
node 162.1352914522031 0.00064427 deg
peri 149.7819827838447 0.00064526 deg
M 139.9463552267024 3.9602e-05 deg
tp 2458406.787594985016
(2018-Oct-15.28759499)
0.00022057 TDB
period 2041.757110019213
5.59
3.8742e-05
1.061e-07
d
yr
n .1763187199071942 3.3456e-09 deg/d
Q 3.52094322383954 4.454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7612 days (20.84 yr)  
   first obs. used      2000-03-03  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:22:11  

Additional Information
 Earth MOID = 1.76226 au 
 Jupiter MOID = 1.72936 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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