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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650936947249054 3.8551e-08  
a 3.381234685710659 2.443e-08 au
q 2.823014158714682 1.2743e-07 au
i 16.51364113978358 5.9314e-06 deg
node 356.109283105086 1.5171e-05 deg
peri 75.8695462009217 2.5246e-05 deg
M 152.1490650680235 1.8271e-05 deg
tp 2458240.705653858064
(2018-May-02.20565386)
0.00011418 TDB
period 2270.970015205928
6.22
2.4612e-05
6.738e-08
d
yr
n .1585225685894209 1.718e-09 deg/d
Q 3.939455212706636 2.8463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      10116 days (27.70 yr)  
   first obs. used      1992-09-30  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:33  

Additional Information
 Earth MOID = 1.89246 au 
 Jupiter MOID = 1.66257 au 
 T_jup = 3.063 
[ 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 13.41   n/a E2021B10  
diameter diameter 9.832 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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