912 Maritima

912 Maritima
Discovery[1]
Discovered by A. Schwassmann
Bergedorf
Discovery date 27 April 1919
Designations
Main belt[1]
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 85.59 yr (31263 days)
Aphelion 3.6842 AU (551.15 Gm) (Q)
Perihelion 2.5842 AU (386.59 Gm) (q)
3.1342 AU (468.87 Gm) (a)
Eccentricity 0.17548 (e)
5.55 yr (2026.7 d)
282.25° (M)
0° 10m 39.468s / day (n)
Inclination 18.344° (i)
34.032° (Ω)
88.889° (ω)
Earth MOID 1.67756 AU (250.959 Gm)
Jupiter MOID 1.72302 AU (257.760 Gm)
Jupiter Tisserand parameter 3.111
Physical characteristics
Mean radius
 41.585±1 km (IRAS)
1,332 h (55.5 d)
1332 hr (55.5 d)[1][2]
0.1115±0.006[1]
C[1]
13.3 to 16.9
9.3[1]

    912 Maritima is an asteroid in the asteroid belt. Based on lightcurve studies observing Maritima over a three-month period, Maritima has a rotation period of 1332 hours.[1] Analysis reveals a possible synodic period of 1332±5 h.[2] Superslow rotators, those with periods longer than a few days, are generally small asteroids.[2] The current paradigm is that slowing of an asteroid's spin rate is the result of YORP radiation pressure, which acts on the target as the inverse square of its size and the inverse of its semi-major axis.[2] The rotation period is less than conclusive.[2]

    References

    1. 1 2 3 4 5 6 7 8 "JPL Small-Body Database Browser: 912 Maritima (1919 FJ)" (2011-12-30 last obs). Jet Propulsion Laboratory. Retrieved 2 May 2016.
    2. 1 2 3 4 5 Higgins, David; Martinez, Luis (2011). "Period Determination of Asteroid 912 Maritima". The Minor Planet Bulletin. 38 (2): 78–79. Bibcode:2011MPBu...38...78H. ISSN 1052-8091.

    External links


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