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128562 Murdin (2004 PM90)
Classification: Main-belt Asteroid          SPK-ID: 2128562
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200511365406066 1.1213e-07  
a 2.774678448594571 4.6294e-08 AU
q 2.441575147306066 3.2728e-07 AU
i 7.999526443281049 9.2813e-06 deg
node 240.9040562323667 7.5561e-05 deg
peri 33.85411471497186 9.6276e-05 deg
M 82.9067993524875 4.9957e-05 deg
tp 2456411.718969219301
(2013-Apr-29.21896922)
0.00023935 JED
period 1688.174820089136
4.62
4.225e-05
1.157e-07
d
yr
n .2132480568457903 5.3369e-09 deg/d
Q 3.107781749883077 5.1852e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      4741 days (12.98 yr)  
   first obs. used      2000-11-03  
   last obs. used      2013-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63297  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 03:51:00  

Additional Information
 Earth MOID = 1.42977 AU 
 T_jup = 3.311 
[ 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 15.7 mag n/a MPO268059  

128562 Murdin           Discovered 2004 Aug. 10 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Paul Geoffrey Murdin (b. 1942) held senior positions at the Royal Greenwich Observatory and other major institutions, and was a vice president and treasurer of the International Astronomical Union. He is a prolific lecturer, broadcaster and writer on astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2004 PM90 = 2000 VZ64 = 2003 HD23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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