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22394 Kondouakira (1994 TO)
Classification: Main-belt Asteroid          SPK-ID: 2022394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914625263761755 3.1418e-08  
a 2.679358102436238 1.4243e-08 au
q 2.16636143107732 8.8144e-08 au
i 11.11661575433101 4.8508e-06 deg
node 6.081333974090295 1.8424e-05 deg
peri 290.5832859485279 2.2799e-05 deg
M 5.379483130041181 1.4512e-05 deg
tp 2458976.562289027050
(2020-May-07.06228903)
6.4509e-05 TDB
period 1601.933818165181
4.39
1.2774e-05
3.497e-08
d
yr
n .2247283851041586 1.7919e-09 deg/d
Q 3.192354773795156 1.697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1528  
   data-arc span      17421 days (47.70 yr)  
   first obs. used      1972-10-05  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:59:28  

Additional Information
 Earth MOID = 1.18096 au 
 Jupiter MOID = 2.16681 au 
 T_jup = 3.324 
[ 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 13.7   n/a MPO337447  
diameter diameter 9.362 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22394 Kondouakira           Discovered 1994 Oct. 2 by K. Endate and K. Watanabe at Kitami.
Akira Kondou (b. 1943) has been director of the Saga City Hoshizora Astronomy Center since 2016. He is a widely respected astronomy scholar and a keen 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: MPC batch dated 2019-12-12Last Updated: 2019-12-13

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Alternate Designations
 1994 TO = 1972 TA3 = 1985 QE1 = 1985 RX1 = 1999 XO208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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