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4541 Mizuno (1989 AF)
Classification: Main-belt Asteroid          SPK-ID: 2004541
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02021724149096317 4.8212e-08  
a 2.378779599384079 1.2909e-08 au
q 2.330687237769554 1.1195e-07 au
i 4.780994833866835 5.4813e-06 deg
node 65.9765633670425 5.8837e-05 deg
peri 23.59127075166385 0.00016897 deg
M 203.0938945694926 0.00015623 deg
tp 2458184.572927946924
0.00058161 JED
period 1340.07694272941
n .2686412910491302 2.1867e-09 deg/d
Q 2.426871960998603 1.317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1589  
   data-arc span      31552 days (86.38 yr)  
   first obs. used      1929-11-27  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49163  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:48:35  

Additional Information
 Earth MOID = 1.34575 au 
 Jupiter MOID = 2.592 au 
 T_jup = 3.535 
[ 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 12.8 mag n/a MPO265982  
rotation period rot_per 2.82784 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Pray, D.; Pravec, P.; Hornoch, K.; Kusnirak, P.; et al. (2015) CBET 4097.]

4541 Mizuno (1989 AF)          Discovered 1989-Nov-01 by Suzuki and Furuta at Toyota
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 AF = 1951 WX1 = 1962 XD1 = 1986 GF1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2016-May-01 06:10 UT
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