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22465 Karelandel (1997 AK18)
Classification: Main-belt Asteroid          SPK-ID: 2022465
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1832831553677133 5.1314e-08  
a 2.455783635304095 1.0088e-08 au
q 2.005679861725167 1.2273e-07 au
i 2.295583504920493 4.8152e-06 deg
node 24.42097254421109 0.00010147 deg
peri 27.76457313722031 0.0001023 deg
M 125.4924404811987 1.1472e-05 deg
tp 2458710.497108463104
(2019-Aug-14.99710846)
4.399e-05 TDB
period 1405.670654557961
3.85
8.6615e-06
2.371e-08
d
yr
n .2561055100870755 1.5781e-09 deg/d
Q 2.905887408883023 1.1937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1011  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-01-16  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:51:08  

Additional Information
 Earth MOID = 1.0161 au 
 Jupiter MOID = 2.46294 au 
 T_jup = 3.468 
[ 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 15.69   n/a E2021B10  

22465 Karelanděl           Discovered 1997 Jan. 15 by M. Tichy and Z. Moravec at Klet.
Karel Anděl (1884-1948) was a teacher. In astronomy he was known as a moon cartographer, author of Mappa Selenographica (1926). He was one of the founders of the Czech Astronomical Society in 1917.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1997 AK18 = 1993 BT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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