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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742934340993799 6.8605e-08  
a 3.210796960733347 4.3806e-08 AU
q 2.651176132251281 2.2081e-07 AU
i 3.283181789379396 8.3374e-06 deg
node 128.3324537275933 0.00015965 deg
peri 334.5928044778742 0.00016241 deg
M 202.5724367021477 3.2678e-05 deg
tp 2457719.458637830523
(2016-Nov-26.95863783)
0.00019757 JED
period 2101.443372994783
5.75
4.3006e-05
1.177e-07
d
yr
n .1713108259905007 3.5059e-09 deg/d
Q 3.770417789215414 5.1441e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      11904 days (32.59 yr)  
   first obs. used      1981-11-25  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:30:55  

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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