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19466 Darcydiegel (1998 HQ34)
Classification: Main-belt Asteroid          SPK-ID: 2019466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03037828092830103 4.1692e-08  
a 2.742996562085482 1.3045e-08 au
q 2.659669041937085 1.1438e-07 au
i 6.377987962298926 4.4041e-06 deg
node 167.1418618566504 3.2262e-05 deg
peri 197.6462962501242 6.894e-05 deg
M 233.1222296482888 6.2255e-05 deg
tp 2459981.316152350774
(2023-Feb-05.81615235)
0.00028804 TDB
period 1659.343589209275
4.54
1.1837e-05
3.241e-08
d
yr
n .216953259313552 1.5477e-09 deg/d
Q 2.826324082233879 1.3441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      9395 days (25.72 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:42:15  

Additional Information
 Earth MOID = 1.65567 au 
 Jupiter MOID = 2.29409 au 
 T_jup = 3.339 
[ 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 15.16   n/a MPO636357  

19466 Darcydiegel           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Darcy Renee Diegel (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her medicine and health team project. She attends the North Toole County High School, Sunburst, Montana, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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