Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191290359209503 3.2003e-08  
a 2.678031767268175 1.4566e-08 au
q 2.165750108532986 8.9827e-08 au
i 11.11875207731442 4.923e-06 deg
node 6.118855224419004 1.883e-05 deg
peri 290.737195469528 2.3338e-05 deg
M 275.2956070474582 1.4972e-05 deg
tp 2458977.139137850444
(2020-May-07.63913785)
6.7708e-05 TDB
period 1600.74448207342
4.38
1.306e-05
3.576e-08
d
yr
n .2248953558994609 1.8349e-09 deg/d
Q 3.190313426003364 1.7353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      17019 days (46.60 yr)  
   first obs. used      1972-10-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48957  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:06:12  

Additional Information
 Earth MOID = 1.1796 au 
 Jupiter MOID = 2.16746 au 
 T_jup = 3.325 
[ 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 2019-11-08Last Updated: 2019-12-02

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 22:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin