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JPL Small-Body Database Browser
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27899 Letterman (1996 QF)
Classification: Main-belt Asteroid          SPK-ID: 2027899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0866646721711465 5.6178e-08  
a 2.916285264912002 1.878e-08 au
q 2.663546358470858 1.6406e-07 au
i 2.604233672120329 4.8287e-06 deg
node 50.35528588708299 0.00013317 deg
peri 311.2915263080936 0.00013595 deg
M 249.7313242651279 2.9474e-05 deg
tp 2459557.676884112035
(2021-Dec-09.17688411)
0.00015076 TDB
period 1819.044954911874
4.98
1.7571e-05
4.811e-08
d
yr
n .1979060490109991 1.9117e-09 deg/d
Q 3.169024171353146 2.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      8564 days (23.45 yr)  
   first obs. used      1996-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:12:41  

Additional Information
 Earth MOID = 1.66153 au 
 Jupiter MOID = 2.2523 au 
 T_jup = 3.274 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO395274  

27899 Letterman           Discovered 1996 Aug. 18 by D. di Cicco at Sudbury.
David M. Letterman (b. 1947) is a seven-time Emmy-winning American comedian, actor and producer. He is perhaps best known for hosting two late-night television programs.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

Alternate Designations
 1996 QF = 1986 PY1 = 2000 KJ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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