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20451 Galeotti (1999 JR134)
Classification: Main-belt Asteroid          SPK-ID: 2020451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049037414019022 3.5521e-08  
a 2.159550683652053 5.6013e-09 au
q 1.717050668824712 7.5885e-08 au
i 5.813784059912551 3.9929e-06 deg
node 100.0633940366084 3.9606e-05 deg
peri 179.6438215645385 4.0744e-05 deg
M 280.7793848754535 1.0036e-05 deg
tp 2459455.581662085020
(2021-Aug-29.08166208)
3.2621e-05 TDB
period 1159.16038023989
3.17
4.5098e-06
1.235e-08
d
yr
n .3105696210264687 1.2083e-09 deg/d
Q 2.602050698479395 6.749e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      14864 days (40.70 yr)  
   first obs. used      1980-07-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:03:46  

Additional Information
 Earth MOID = .698702 au 
 Jupiter MOID = 2.53305 au 
 T_jup = 3.664 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.80   n/a MPCxxxxx  
diameter diameter 3.493 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20451 Galeotti           Discovered 1999 May 15 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Piero Galeotti (b. 1942), professor of physics at the University of Torino, is involved in experimental cosmic-ray physics and neutrino astrophysics. He is also very active in scholarly and popular conferences. The name was suggested by V. Zappalà.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

Alternate Designations
 1999 JR134 = 1998 BX10 = 1999 NW27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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