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13622 McArthur (1995 HY2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013622
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741473003211652 5.4189e-08  
a 3.209584156928006 3.4516e-08 au
q 2.650643740845411 1.8929e-07 au
i 3.283329467732952 6.3767e-06 deg
node 128.33197331829 0.00011453 deg
peri 334.7362342994408 0.00011688 deg
M 305.2023613984142 2.5702e-05 deg
tp 2457720.191376295413
(2016-Nov-27.69137630)
0.00015165 JED
period 2100.252828468017
5.75
3.3879e-05
9.276e-08
d
yr
n .171407934854488 2.765e-09 deg/d
Q 3.768524573010602 4.0527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      12437 days (34.05 yr)  
   first obs. used      1981-11-25  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53636  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:48  

Additional Information
 Earth MOID = 1.66774 au 
 Jupiter MOID = 1.39558 au 
 T_jup = 3.165 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO358763  

13622 McArthur           Discovered 1995 Apr. 26 by Spacewatch at Kitt Peak.
Guy McArthur (b. 1971) is a talented programer working at the University of Arizona's Lunar and Planetary Laboratory. He was instrumental in creating the planetary data system archive for the 2001 Mars Odyssey \gamma -ray spectrometer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1995 HY2 = 1981 WA9 = 1998 TO33 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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