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JPL Small-Body Database Browser
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15551 Paddock (2000 FQ25)
Classification: Main-belt Asteroid          SPK-ID: 2015551
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765099869879557 3.3957e-08  
a 3.049622300143394 1.7754e-08 au
q 2.511333507626904 1.0394e-07 au
i 9.003461539219114 4.7564e-06 deg
node 35.83349284138878 2.6766e-05 deg
peri 247.2626015253856 3.0155e-05 deg
M 141.4901089261603 1.4505e-05 deg
tp 2457835.976060318211
(2017-Mar-23.47606032)
7.7833e-05 TDB
period 1945.214548029488
5.33
1.6987e-05
4.651e-08
d
yr
n .1850695597381183 1.6161e-09 deg/d
Q 3.587911092659883 2.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      14833 days (40.61 yr)  
   first obs. used      1979-04-25  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:00:29  

Additional Information
 Earth MOID = 1.51179 au 
 Jupiter MOID = 1.64298 au 
 T_jup = 3.195 
[ 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 12.9   n/a MPO384889  
diameter diameter 6.926 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15551 Paddock           Discovered 2000 Mar. 27 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
George (b. 1918) and Courtney (b. 1914) Paddock have retained a decades-long, educated interest in astronomy, planetary sciences and both human and robotic exploration of space. The name was suggested by F. Vilas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

[ show close-approach data ]
Alternate Designations
 2000 FQ25 = 1979 HO3 = 1991 RZ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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