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16623 Muenzel (1993 GM1)
Classification: Main-belt Asteroid          SPK-ID: 2016623
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437070026907468 3.636e-08  
a 3.160058662148395 1.6824e-08 au
q 2.705936103484118 1.1421e-07 au
i 4.242568882426901 3.9493e-06 deg
node 229.3989560099715 5.5725e-05 deg
peri 280.2037210725725 5.7407e-05 deg
M 15.50279071300105 1.355e-05 deg
tp 2459112.141460768366
(2020-Sep-19.64146077)
7.7094e-05 TDB
period 2051.828906953661
5.62
1.6386e-05
4.486e-08
d
yr
n .1754532255491468 1.4012e-09 deg/d
Q 3.614181220812672 1.9242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1893  
   data-arc span      10197 days (27.92 yr)  
   first obs. used      1993-04-14  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:37:00  

Additional Information
 Earth MOID = 1.72105 au 
 Jupiter MOID = 1.4355 au 
 T_jup = 3.185 
[ 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 13.31   n/a E2021B10  
diameter diameter 11.733 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16623 Muenzel           Discovered 1993 Apr. 14 by H. Debehogne at La Silla.
Gisela Muenzel (b. 1929) was the life partner of Hilmar W. Duerbeck (1948-2012). Over the last 20 years, she contributed various papers on the history of astronomy, and collaborated with Duerbeck on diverse historical archives of astronomers and observatories.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

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Alternate Designations
 1993 GM1 = 1996 VL5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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