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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766406153569902 2.2129e-08  
a 3.04891028971748 1.5951e-08 au
q 2.510348899973525 7.1705e-08 au
i 9.002757369052675 3.0594e-07 deg
node 35.80523590929622 3.6159e-06 deg
peri 247.4387586861323 6.334e-06 deg
M 252.3457187379656 6.2462e-06 deg
tp 2459781.992611467180
(2022-Jul-21.49261147)
3.5802e-05 TDB
period 1944.53334947869
5.32
1.526e-05
4.178e-08
d
yr
n .1851343923191199 1.4529e-09 deg/d
Q 3.587471679461435 1.8769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2264  
   data-arc span      15300 days (41.89 yr)  
   first obs. used      1979-04-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:01:58  

Additional Information
 Earth MOID = 1.50956 au 
 Jupiter MOID = 1.64429 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 12.92   n/a E2021B10  
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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