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43813 Kuhner (1991 TQ2)
Classification: Main-belt Asteroid          SPK-ID: 2043813
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 .2166312323487199 3.3539e-08  
a 2.420795820699508 8.2402e-09 au
q 1.896375838796743 7.9279e-08 au
i 2.755758374499413 4.0154e-06 deg
node 270.2883463061004 8.8366e-05 deg
peri 164.9234839528942 8.9102e-05 deg
M 233.7159855449361 1.2519e-05 deg
tp 2459683.093587326234
(2022-Apr-13.59358733)
4.9432e-05 TDB
period 1375.737793790714
3.77
7.0243e-06
1.923e-08
d
yr
n .2616777714654872 1.3361e-09 deg/d
Q 2.945215802602273 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      11969 days (32.77 yr)  
   first obs. used      1987-10-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:37  

Additional Information
 Earth MOID = .911237 au 
 Jupiter MOID = 2.32856 au 
 T_jup = 3.480 
[ 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 15.32   n/a MPCxxxxx  

43813 Kühner           Discovered 1991 Oct. 7 by L. D. Schmadel and F. Börngen at Tautenburg.
Stefan Kühner (b. 1970), electronics technician, is an enthusiastic amateur astronomer and experienced short-wave radio operator. Name proposed by L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1991 TQ2 = 1995 WP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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