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9225 Daiki (1996 AU)
Classification: Main-belt Asteroid          SPK-ID: 2009225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146713659566716 2.1899e-08  
a 2.684094586678619 1.1006e-08 au
q 2.290301247243787 5.982e-08 au
i 16.88496516881518 6.5478e-07 deg
node 120.8387510131265 3.096e-06 deg
peri 222.2697027150876 8.372e-06 deg
M 8.216136285946011 6.1447e-06 deg
tp 2459163.842715940591
(2020-Nov-10.34271594)
2.7404e-05 TDB
period 1606.183466547453
4.40
9.8793e-06
2.705e-08
d
yr
n .2241337976002408 1.3786e-09 deg/d
Q 3.077887926113452 1.2621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      12935 days (35.41 yr)  
   first obs. used      1985-08-17  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:15:07  

Additional Information
 Earth MOID = 1.30305 au 
 Jupiter MOID = 2.31909 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.72   n/a E2021B10  
diameter diameter 4.983 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9225 Daiki           Discovered 1996 Jan. 10 by T. Kobayashi at Oizumi.
Daiki Matsubayashi (b. 1961) has been a member of the Saga Astronomical Society since the time of its establishment in 1981. He is an amateur astronomer whose interests include meteors and comets, with photography of solar eclipses his personal favorite.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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Alternate Designations
 1996 AU = 1985 QG3 = 1985 VX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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