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17166 Secombe (1999 MC)
Classification: Main-belt Asteroid          SPK-ID: 2017166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07480646933739053 4.584e-08  
a 3.087025932242757 1.9968e-08 au
q 2.85609642149871 1.4963e-07 au
i 4.657723309504275 5.2249e-06 deg
node 39.275206043491 5.0073e-05 deg
peri 317.7124381328404 6.0669e-05 deg
M 277.4451370858798 3.708e-05 deg
tp 2459654.806555185462
(2022-Mar-16.30655519)
0.00020634 TDB
period 1981.111155582729
5.42
1.9221e-05
5.262e-08
d
yr
n .1817162045579965 1.7631e-09 deg/d
Q 3.317955442986804 2.1461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:56:17  

Additional Information
 Earth MOID = 1.85267 au 
 Jupiter MOID = 2.06443 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07441364052130006 4.5873e-08  
q 2.855902216035911 1.4923e-07 au
tp 2457682.990450109269
(2016-Oct-21.49045011)
0.0001977 TDB
node 39.30646601197099 5.0041e-05 deg
peri 319.351243556085 6.0718e-05 deg
i 4.6598878891508 5.227e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:56:17  

Additional Information
 Jupiter MOID = 2.06443 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.104312476279129E-15 -6.799116791054565E-15 2.524883051134722E-14 -1.890657582395036E-15 6.881054676475354E-14 -3.353823595829282E-16
q -6.799116791054565E-15 2.227101385399502E-14 1.596369174261399E-12 1.959615252453525E-15 5.296053097895862E-14 1.615737508322149E-15
tp 2.524883051134722E-14 1.596369174261399E-12 3.908414856098827E-8 -1.901496193604233E-11 6.806134488717033E-9 1.703596048609434E-12
node -1.890657582395036E-15 1.959615252453525E-15 -1.901496193604233E-11 2.504119897859704E-9 -2.498849487687843E-9 -1.832708795740452E-12
peri 6.881054676475354E-14 5.296053097895862E-14 6.806134488717033E-9 -2.498849487687843E-9 3.686616358593341E-9 2.102461262881574E-12
i -3.353823595829282E-16 1.615737508322149E-15 1.703596048609434E-12 -1.832708795740452E-12 2.102461262881574E-12 2.732165407344455E-11

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 13.8   n/a MPO384902  
diameter diameter 11.307 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17166 Secombe           Discovered 1999 June 17 by J. Broughton at Reedy Creek Observatory.
Welshman Harry Secombe (1921-2001) was the chuckling roly-poly singer-actor-comedian "Neddy Seagoon" of The Goon Show fame. On receiving a knighthood he referred to himself as "Sir Cumference". Secombe was a unique combination of comedian with a magnificent tenor singing voice.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 MC = 1997 ER36 = 1998 HV61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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