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22692 Carfrekahl (1998 QE99)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022692
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166210925075852 7.8632e-08  
a 3.38199026589328 6.2087e-08 AU
q 2.819866535201631 2.5568e-07 AU
i 16.51139201639812 1.5256e-05 deg
node 356.1359460067883 2.9274e-05 deg
peri 76.34467780609749 5.7745e-05 deg
M 163.2386161299068 4.6856e-05 deg
tp 2455970.404807385849
(2012-Feb-12.90480739)
0.00028981 JED
period 2271.731273720067
6.22
6.2557e-05
1.713e-07
d
yr
n .158469447581484 4.3638e-09 deg/d
Q 3.944113996584928 7.2407e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7914 days (21.67 yr)  
   first obs. used      1992-09-30  
   last obs. used      2014-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55291  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:12:06  

Additional Information
 Earth MOID = 1.88995 AU 
 T_jup = 3.063 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO259503  

22692 Carfrekahl           Discovered 1998 Aug. 26 by E. W. Elst at the European Southern Observatory.
Caroline (b. 1994) and Frederikke (b. 1997) Kahl are the daughters of Vibeke Kristensen and the granddaughters of astronomer Leif Kahl Kristensen and his wife Kate.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 1998 QE99 = 1992 SU25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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