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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17428060764876 6.6073e-08  
a 3.21058354481556 4.0171e-08 AU
q 2.651041093717994 2.162e-07 AU
i 3.283352245590755 8.2214e-06 deg
node 128.3325654428977 0.00011629 deg
peri 334.6350987262479 0.00011925 deg
M 236.778842305607 3.186e-05 deg
tp 2457719.712412595608
(2016-Nov-27.21241260)
0.00019301 JED
period 2101.233857715981
5.75
3.9436e-05
1.08e-07
d
yr
n .1713279074949402 3.2155e-09 deg/d
Q 3.770125995913126 4.7172e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      11979 days (32.80 yr)  
   first obs. used      1981-11-25  
   last obs. used      2014-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:20:13  

Additional Information
 Earth MOID = 1.66823 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 13.6 mag n/a MPO302150  

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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