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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742935053276161 7.2742e-08  
a 3.210796973244677 4.6498e-08 AU
q 2.651175913882562 2.3496e-07 AU
i 3.283186468266012 8.8388e-06 deg
node 128.3323739942042 0.00017462 deg
peri 334.5928899211675 0.00017756 deg
M 202.5724352456544 3.402e-05 deg
tp 2457719.458651703854
(2016-Nov-26.95865170)
0.0002054 JED
period 2101.443385277645
5.75
4.5649e-05
1.25e-07
d
yr
n .171310824989195 3.7213e-09 deg/d
Q 3.770418032606792 5.4602e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      11548 days (31.62 yr)  
   first obs. used      1981-11-25  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55513  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:34:36  

Additional Information
 Earth MOID = 1.66809 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 13.5 mag n/a PDS3 (MPC 38349)  

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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