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126749 Johnjones (2002 DQ1)
Classification: Main-belt Asteroid          SPK-ID: 2126749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971554164831297 5.7428e-08  
a 2.527870680906068 1.9919e-08 au
q 1.776700215905933 1.5057e-07 au
i 15.15513835269382 7.7731e-06 deg
node 346.9589308268551 2.3567e-05 deg
peri 40.01459438643403 3.1421e-05 deg
M 287.7703267003623 2.561e-05 deg
tp 2459295.039710672184
(2021-Mar-21.53971067)
0.00010553 TDB
period 1468.01571982907
4.02
1.7352e-05
4.751e-08
d
yr
n .2452289816364616 2.8985e-09 deg/d
Q 3.279041145906204 2.5838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:10:31  

Additional Information
 Earth MOID = .803793 au 
 Jupiter MOID = 2.29737 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO436613  

126749 Johnjones           Discovered 2002 Feb. 20 by B. L. Stevens at Desert Moon Observatory.
John Jones (1927-2006) was a walking encyclopedia of the Greek and Roman mythology of the sky. He shared his love of the sky with the boy scouts for over 55 years. A president of the Chicago Astronomical Society and general chairman of Astrofest, he also lectured at the Cernan Earth and Space Center, Triton College.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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