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144633 Georgecarroll (2004 FH80)
Classification: Main-belt Asteroid          SPK-ID: 2144633
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539118002606426 3.4775e-08  
a 2.607659095465714 1.1715e-08 au
q 2.206309589616547 8.8898e-08 au
i 12.86664295000421 3.9922e-06 deg
node 19.82123811854174 2.0581e-05 deg
peri 56.16822740054941 2.9638e-05 deg
M 102.7514610143485 1.8318e-05 deg
tp 2458761.504413773450
(2019-Oct-05.00441377)
7.8419e-05 TDB
period 1538.064855540002
4.21
1.0365e-05
2.838e-08
d
yr
n .2340603510335116 1.5773e-09 deg/d
Q 3.00900860131488 1.3518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1998-12-24  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:53:24  

Additional Information
 Earth MOID = 1.24688 au 
 Jupiter MOID = 2.39577 au 
 T_jup = 3.359 
[ 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 15.20   n/a E2021B55  
diameter diameter 3.362 km 0.575 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

144633 Georgecarroll           Discovered 2004 Mar. 21 at Stony Ridge Observatory.
George Carroll (1902-1983) was a builder of precision instruments, heliostats, refractor and reflector telescopes from the mid-1950s through the 1970s. The discovery of (144633) was made using his largest telescope, the 0.76-m Cassegrain/Newtonian reflector at Stony Ridge Observatory in California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

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Alternate Designations
 2004 FH80 = 2002 XN36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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