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4523 MIT (1981 DM1)
Classification: Main-belt Asteroid          SPK-ID: 2004523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395139240716168 5.0184e-08  
a 2.68218309480417 1.1997e-08 au
q 2.307981206169487 1.3873e-07 au
i 11.07283606550072 5.0152e-06 deg
node 210.0629047007525 1.8776e-05 deg
peri 316.4446012896046 2.3749e-05 deg
M 342.7346564798011 1.3667e-05 deg
tp 2459077.449141910104
(2020-Aug-15.94914191)
6.0991e-05 TDB
period 1604.467994235324
4.39
1.0765e-05
2.947e-08
d
yr
n .2243734379828331 1.5054e-09 deg/d
Q 3.056384983438853 1.3671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2253  
   data-arc span      14736 days (40.34 yr)  
   first obs. used      1979-12-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:08:48  

Additional Information
 Earth MOID = 1.32665 au 
 Jupiter MOID = 1.96721 au 
 T_jup = 3.335 
[ 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 12.9   n/a MPO332861  
diameter diameter 16.366 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4523 MIT           Discovered 1981 Feb. 28 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Since its founding in 1861, the Massachusetts Institute of Technology has become one of the world's preeminent universities. Emphasizing both education and research, MIT provides a stimulating environment in which real-world problems are addressed through advancements in science and technology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1981 DM1 = 1979 YR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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