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

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 182 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4566852303536896 3.5444e-08  
a 2.162943144750561 6.5421e-09 au
q 1.175158956448217 7.7465e-08 au
i 25.47415364006163 5.9063e-06 deg
node 142.9238728412288 9.9339e-06 deg
peri 305.8072623056476 1.1926e-05 deg
M 130.7609886459957 8.6504e-06 deg
tp 2457178.471503050285
(2015-Jun-04.97150305)
2.6567e-05 JED
period 1161.892858681366
3.18
5.2714e-06
1.443e-08
d
yr
n .3098392397458786 1.4057e-09 deg/d
Q 3.150727333052905 9.5298e-09 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      15519 days (42.49 yr)  
   first obs. used      1973-10-18  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61943  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:51:40  

Additional Information
 Earth MOID = .303274 au 
 Jupiter MOID = 2.37127 au 
 T_jup = 3.441 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO265986  
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. 2016-February); 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 Science XXVI, 1511-1512.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2015) Astron. Astrophys. 586, A108.]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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