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9109 Yukomotizuki (1997 AH7)
Classification: Main-belt Asteroid          SPK-ID: 2009109
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09423909042275685 5.1533e-08  
a 2.328979177933514 1.2697e-08 au
q 2.109498298591519 1.1936e-07 au
i 7.166435682545607 6.5484e-06 deg
node 151.3843337271279 4.2047e-05 deg
peri 265.6418894850792 5.7385e-05 deg
M 238.7327556919619 3.8974e-05 deg
tp 2458037.808424118091
(2017-Oct-11.30842412)
0.00014163 JED
period 1298.215635894329
3.55
1.0616e-05
2.907e-08
d
yr
n .2773037005920816 2.2677e-09 deg/d
Q 2.548460057275508 1.3894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      9261 days (25.36 yr)  
   first obs. used      1990-03-01  
   last obs. used      2015-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53728  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:26:51  

Additional Information
 Earth MOID = 1.13383 au 
 Jupiter MOID = 2.71691 au 
 T_jup = 3.556 
[ 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 14.5 mag n/a MPO279612  

9109 Yukomotizuki           Discovered 1997 Jan. 9 by T. Kobayashi at Oizumi.
Yuko Motizuki (b. 1965) is an associate professor at Saitama University. Her speciality is the theoretical study of nucleosynthesis, supernovae and neutron stars. She is also leading a team to examine the effects of solar cycles and supernovae on Antarctic ice cores.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1997 AH7 = 1990 EV5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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