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
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 ]

[ hide orbit diagram ]

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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911449654987668 1.0229e-08  
a 2.678117744749462 9.9161e-09 au
q 2.166209020827691 2.6079e-08 au
i 11.11894691168798 7.1011e-07 deg
node 6.072236326916537 4.9783e-06 deg
peri 290.5210415928474 8.3092e-06 deg
M 50.4108503664163 5.607e-06 deg
tp 2458976.336731602444
(2020-May-06.83673160)		 2.4704e-05 TDB
period 1600.821569891266
4.38		 8.8909e-06
2.434e-08		 d
yr
n .2248845260277525 1.249e-09 deg/d
Q 3.190026468671233 1.1812e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2032  
   data-arc span      17656 days (48.34 yr)  
   first obs. used      1972-10-05  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:21  

Additional Information
 Earth MOID = 1.17895 au 
 Jupiter MOID = 2.16808 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 13.81   n/a E2021B10  
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

[ 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 2021-May-11 20:37 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin