| 词条 | 604 Tekmessa |
| 释义 |
| minorplanet= yes | background= #D6D6D6 | name= 604 Tekmessa | mpc_name= (604) Tekmessa | alt_names= 1906 TK | discoverer= Joel Hastings Metcalf | discovered= 16 February 1906 | discovery_site= Taunton, Massachusetts | epoch= 31 July 2016 (JD 2457600.5) | orbit_ref= | eccentricity= 0.19894 | semimajor= {{Convert|3.1480|AU|Gm|abbr=on}} | perihelion= {{Convert|2.5217|AU|Gm|abbr=on}} | aphelion= {{Convert|3.7742|AU|Gm|abbr=on|lk=on}} | period= 5.59 yr (2040.1 d) | inclination= 4.4213° | asc_node= 12.171° | arg_peri= 28.815° | mean_anomaly= 351.53° | dimensions= | mean_radius= {{val|32.58|2.05}} km 32.21 ± 1.505 km[3] | mass= {{nowrap|(1.45 ± 0.28) × 1018 kg[3]}} | density= 10.35 ± 2.4 g/cm3[3] | abs_magnitude= 9.29,[6] 9.5 | mean_motion= {{Deg2DMS|0.17646|sup=ms}} / day | observation_arc= 104.87 yr (38303 d) | uncertainty= 0 | rotation= {{Convert|5.5596|h|d|abbr=on|lk=on}} | albedo= {{val|0.0870|0.012}} }} Tekmessa (minor planet designation: 604 Tekmessa) is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 16, 1906. References1. ^1 2 3 {{Citation | first1 = B. | last1 = Carry | title = Density of asteroids | work = Planetary and Space Science | volume = 73 | pages = 98–118 |date=December 2012 | doi = 10.1016/j.pss.2012.03.009 | bibcode = 2012P&SS...73...98C | postscript= .|arxiv = 1203.4336 }} See Table 1. [1][2]2. ^1 {{Citation | last1 = Warner | first1 = Brian D. | title = Initial Results of a Dedicated H-G Project | work = The Minor Planet Bulletin | volume = 34 | pages = 113–119 |date=December 2007 | bibcode = 2007MPBu...34..113W | postscript= .}} }} External links
6 : Background asteroids|Discoveries by Joel Metcalf|Minor planets named from Greek mythology|Named minor planets|Xc-type asteroids (SMASS)|Astronomical objects discovered in 1906 |
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