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22679 Amydavid (1998 QJ42)
Classification: Main-belt Asteroid          SPK-ID: 2022679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938183861280748 3.4222e-08  
a 2.339203559456839 6.1059e-09 au
q 1.885822900737866 7.9112e-08 au
i 4.029728465590594 3.045e-06 deg
node 167.8534753788369 5.1043e-05 deg
peri 67.61814332825338 5.155e-05 deg
M 167.288091266498 7.3971e-06 deg
tp 2458593.256358117511
(2019-Apr-19.75635812)
2.6318e-05 TDB
period 1306.773897787161
3.58
5.1165e-06
1.401e-08
d
yr
n .2754875962931382 1.0786e-09 deg/d
Q 2.792584218175812 7.2893e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      10715 days (29.34 yr)  
   first obs. used      1991-10-02  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:13  

Additional Information
 Earth MOID = .877709 au 
 Jupiter MOID = 2.21145 au 
 T_jup = 3.537 
[ 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 15.1   n/a MPO337450  

22679 Amydavid           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Amy Jane David (b. 1991) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her environmental sciences project. She attends the Pinedale Middle School, Pinedale, Wyoming.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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