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5332 Davidaguilar (1990 DA)
Classification: Amor [NEO]          SPK-ID: 2005332
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 263 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4556498038507966 3.5417e-08  
a 2.165023852464397 6.7524e-09 au
q 1.178531158756698 7.6687e-08 au
i 25.49022055762551 4.4878e-06 deg
node 142.8219298275376 1.0625e-05 deg
peri 305.9455037726921 1.2415e-05 deg
M 204.3203146229882 1.2624e-05 deg
tp 2459503.678295302345
(2021-Oct-16.17829530)
4.285e-05 TDB
period 1163.569838095219
3.19
5.4435e-06
1.49e-08
d
yr
n .3093926880996891 1.4474e-09 deg/d
Q 3.151516546172095 9.8291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      16720 days (45.78 yr)  
   first obs. used      1973-10-18  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:39:19  

Additional Information
 Earth MOID = .3071 au 
 Jupiter MOID = 2.36262 au 
 T_jup = 3.440 
[ 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 14.8   n/a MPO473840  
diameter diameter 3.6 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 5.803 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1990) IAUC 4969.]
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (NEA Gaggle) http://www.planetarysciences.org/lightcurves.html]

5332 Davidaguilar           Discovered 1990 Feb. 16 by A. Sugie at Dynic.
David Aguilar (b. 1945), director of public affairs at the Harvard-Smithsonian Center for Astrophysics, has shown a lifelong devotion to astronomy and science communication as a public relations professional, writer and space artist. He also is an astronomical photographer and an avid telescope maker.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

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