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JPL Small-Body Database Browser
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12364 Asadagouryu (1993 XQ1)
Classification: Main-belt Asteroid          SPK-ID: 2012364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05176469326865078 4.2573e-08  
a 2.165484519224576 5.4936e-09 au
q 2.053388877308905 9.2932e-08 au
i 2.161777745572584 4.5918e-06 deg
node 204.3016444837999 7.7674e-05 deg
peri 200.2865647173532 8.3809e-05 deg
M 157.3181249557884 3.0308e-05 deg
tp 2458491.863745360337
(2019-Jan-08.36374536)
9.8069e-05 TDB
period 1163.941228779191
3.19
4.4292e-06
1.213e-08
d
yr
n .3092939669965887 1.177e-09 deg/d
Q 2.277580161140249 5.7779e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1724  
   data-arc span      11113 days (30.43 yr)  
   first obs. used      1989-08-01  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:47:26  

Additional Information
 Earth MOID = 1.06188 au 
 Jupiter MOID = 2.8782 au 
 T_jup = 3.690 
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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 15.0   n/a MPO350900  
diameter diameter 2.810 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12364 Asadagouryu           Discovered 1993 Dec. 15 by T. Kobayashi at Oizumi.
Asada Gouryu (1734-1799), an astronomer in the Japanese Edo period, studied positional astronomy. He also founded "Senjikan", a private school in astronomy, in Osaka, and educated many outstanding astronomers, including Takashi Yoshitoki and Hazama Shigetomi.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

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