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11593 Uchikawa (1995 HK)
Classification: Main-belt Asteroid          SPK-ID: 2011593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09337663676324615 3.4941e-08  
a 2.215422586031874 5.2261e-09 au
q 2.008553875938884 7.8911e-08 au
i 2.594834354167028 3.1139e-06 deg
node 132.1708207393971 7.5836e-05 deg
peri 77.11510784458244 7.7561e-05 deg
M 285.7395576220928 1.6961e-05 deg
tp 2459448.949614161244
(2021-Aug-22.44961416)
5.6948e-05 TDB
period 1204.434800467299
3.30
4.2618e-06
1.167e-08
d
yr
n .2988953821828517 1.0576e-09 deg/d
Q 2.422291296124864 5.7141e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      9469 days (25.92 yr)  
   first obs. used      1995-04-20  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:00:22  

Additional Information
 Earth MOID = 1.00418 au 
 Jupiter MOID = 2.53706 au 
 T_jup = 3.647 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.25   n/a MPCxxxxx  

11593 Uchikawa           Discovered 1995 Apr. 20 by K. Endate and K. Watanabe at Kitami.
Yoshihisa Uchikawa (b. 1947) is one of the leading amateur astronomers from Saga prefecture and the Kyushu district. He was president of the Saga Astronomical Society from 1988 to 1998 and remains a scholar and popularizer of astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1995 HK = 1998 CN3 = A909 DB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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