532 Herculina

532 Herculina
A three-dimensional model of 532 Herculina based on its light curve
Discovery
Discovered byMax Wolf
Discovery date20 April 1904
Designations
(532) Herculina
Pronunciation/hɜːrkjʊˈlnə/
1904 NY
Main belt
AdjectivesHerculinian /hɜːrkjʊˈlɪniən/
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc111.97 yr (40897 d)
Aphelion3.26056 AU (487.773 Gm)
Perihelion2.28601 AU (341.982 Gm)
2.7732838 AU (414.87735 Gm)
Eccentricity0.1757028
4.62 yr (1686.9 d)
(1684.34607 d)
131.03906°
0° 12m 48.272s / day
Inclination16.31351°
107.55583°
76.09745°
Physical characteristics
167.791±0.890 km[1]
222.19 km[2]
217.49 ± 5.10 km[3]
191 ± 4 km[4]
Mass(2.29±0.20)×1019 kg[2]
(1.15±0.28)×1019 kg[3]
(1.0051 ± 0.1108/0.1567)×1019 kg[4]
Mean density
4.0 g/cm3[2]
2.12±0.53 g/cm3[3]
2.755 ± 0.304/0.429 g/cm3[4]
9.405 h (0.3919 d)[1]
0.285±0.029[1]
S[1]
8.82 to 11.99[5]
5.92[1]
0.228" to 0.073"

532 Herculina /hɜːrkjʊˈlnə/ is a large asteroid, with a diameter of around 200 km.

  1. ^ a b c d e f "JPL Small-Body Database Browser: 532 Herculina (1904 NY)" (2008-11-17 last obs). Retrieved 8 May 2016.
  2. ^ a b c Masses and densities of minor planets Archived 2011-06-04 at the Wayback Machine - Yu. Chernetenko, O. Kochetova, and V. Shor
  3. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  4. ^ a b c Fienga, A.; Avdellidou, C.; Hanuš, J. (February 2020). "Asteroid masses obtained with INPOP planetary ephemerides". Monthly Notices of the Royal Astronomical Society. 492 (1). doi:10.1093/mnras/stz3407.
  5. ^ "Bright Minor Planets 2005". Minor Planet Center. Archived from the original on 29 September 2008. Retrieved 21 May 2008.