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JPL Small-Body Database Browser
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15321 Donnadean (1993 PE8)
Classification: Main-belt Asteroid          SPK-ID: 2015321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2718564513685149 6.5292e-08  
a 2.341354710374649 9.671e-09 au
q 1.70484232741724 1.5254e-07 au
i 24.03622498843681 6.348e-06 deg
node 269.1600796411669 1.3304e-05 deg
peri 44.86651774782973 1.5638e-05 deg
M 76.33362674229218 8.3201e-06 deg
tp 2458323.032166509791
(2018-Jul-23.53216651)
2.9991e-05 TDB
period 1308.576892248364
3.58
8.1076e-06
2.22e-08
d
yr
n .2751080216474379 1.7045e-09 deg/d
Q 2.977867093332058 1.23e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      9611 days (26.31 yr)  
   first obs. used      1993-08-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:57:40  

Additional Information
 Earth MOID = .745208 au 
 Jupiter MOID = 2.3872 au 
 T_jup = 3.401 
[ 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 14.0   n/a MPO502286  
diameter diameter 4.938 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15321 Donnadean           Discovered 1993 Aug. 13 by C. S. Shoemaker and D. H. Levy at Palomar.
With his wife Donna, Dean Koenig (b. 1956) has devoted years to inspiring people to become interested in the night sky. Through observing sessions and other facilities of his store "Starizona", located in Tucson, Arizona, Koenig has a fine record of restoring and repairing telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1993 PE8 = 1999 DB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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