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14312 Polytech (1976 UN2)
Classification: Main-belt Asteroid          SPK-ID: 2014312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357947255362243 1.6425e-08  
a 2.133118256817723 4.9578e-09 au
q 1.843452048596851 3.678e-08 au
i 1.901838423958621 1.0443e-06 deg
node 257.646718377159 3.1319e-05 deg
peri 97.2178764987883 3.3479e-05 deg
M 90.49356309924866 1.1536e-05 deg
tp 2458914.453911328066
(2020-Mar-05.95391133)
3.5903e-05 TDB
period 1137.943831529287
3.12
3.9672e-06
1.086e-08
d
yr
n .31636007861319 1.1029e-09 deg/d
Q 2.422784465038594 5.6311e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      16212 days (44.39 yr)  
   first obs. used      1976-10-24  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:24:58  

Additional Information
 Earth MOID = .838024 au 
 Jupiter MOID = 2.9939 au 
 T_jup = 3.707 
[ 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 14.69   n/a E2021B10  
diameter diameter 2.758 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14312 Polytech           Discovered 1976 Oct. 26 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Saint Petersburg State Technical University (former Polytechnical Institute), founded in 1899, is one of the largest universities laying the foundation of higher polytechnic education in Russia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1976 UN2 = 1979 SH15 = 1997 HT12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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