604 Tekmessa

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604 Tekmessa
Discovery
Discovered by Joel Hastings Metcalf
Discovery site Taunton, Massachusetts
Discovery date 16 February 1906
Designations
MPC designation (604) Tekmessa
1906 TK
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 104.87 yr (38303 d)
Aphelion 3.7742 AU (564.61 Gm)
Perihelion 2.5217 AU (377.24 Gm)
3.1480 AU (470.93 Gm)
Eccentricity 0.19894
5.59 yr (2040.1 d)
351.53°
0° 10m 35.256s / day
Inclination 4.4213°
12.171°
28.815°
Earth MOID 1.52947 AU (228.805 Gm)
Jupiter MOID 1.66807 AU (249.540 Gm)
Jupiter Tisserand parameter 3.173
Physical characteristics
Mean radius
32.58±2.05 km[1]
32.21 ± 1.505 km[2]
Mass (1.45 ± 0.28) × 1018 kg[2]
Mean density
10.35 ± 2.4 g/cm3[2]
5.5596 h (0.23165 d)
0.0870±0.012
9.29,[3] 9.5[1]

604 Tekmessa is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906.

References[edit]

  1. ^ a b c Yeomans, Donald K., "604 Tekmessa", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 7 May 2016. 
  2. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, Bibcode:2012P&SS...73...98C, arXiv:1203.4336Freely accessible, doi:10.1016/j.pss.2012.03.009.  See Table 1.
  3. ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W. 

External links[edit]