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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 160 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4566067455917884 3.663e-08  
a 2.163468531107297 6.6086e-09 AU
q 1.175614205928147 8.0006e-08 AU
i 25.47491154536402 6.2423e-06 deg
node 142.9293726880458 1.0408e-05 deg
peri 305.8276815353182 1.2667e-05 deg
M 304.8698568261796 8.1296e-06 deg
tp 2457178.496277656586
(2015-Jun-04.99627766)
2.6778e-05 JED
period 1162.316226067775
3.18
5.3257e-06
1.458e-08
d
yr
n .3097263824819118 1.4192e-09 deg/d
Q 3.151322856286446 9.6262e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      14917 days (40.84 yr)  
   first obs. used      1973-10-18  
   last obs. used      2014-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-22 05:45:39  

Additional Information
 Earth MOID = .304946 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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.]

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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