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Spacewatch was founded in 1980 by Tom Gehrels and Robert S. McMillan, and is currently led by astronomer Melissa Brucker at the University of Arizona. Spacewatch uses several telescopes on Kitt Peak for follow-up observations of near-Earth objects. [3] The Spacewatch Project uses three telescopes of apertures 0.9-m, 1.8-m, and 2.3-m.
The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a carbonaceous body of 0.057 and calculates a diameter of 14.64 kilometers based on an absolute magnitude of 12.9. [4] Other estimates, taking into account several published magnitude measurements and a large range of albedo assumptions, estimate a diameter range of 5.5 to ...
Orbital diagram of 5145 Pholus. Pholus was the second centaur to be discovered. [19] Centaurs are objects in between the asteroid and trans-Neptunian populations of the Solar System – that is, beyond Jupiter's and within Neptune's orbit – which behave with characteristics of both asteroids and comets.
Spacewatch 1.8 m Telescope: 72 in mirror scavenged from the Mount Hopkins MMT: Spacewatch 0.9 m Telescope: Spacewatch: Super-LOTIS: Designed to look for visible signatures of GRBs: Auxiliary solar telescopes: Two 0.9 m instruments: Bok Telescope: Versatile: MDM Observatory 1.3 m McGraw-Hill Telescope: Originally at Ann Arbor: MDM Observatory 2. ...
The following is a partial list of minor planets, running from minor-planet number 757001 through 758000, inclusive.The primary data for this and other partial lists is based on JPL's "Small-Body Orbital Elements" [1] and data available from the Minor Planet Center.
Optical and radar observations indicate that it is a water-rich object. [ 10 ] From light curve photometry in 1998, the object is measured to have a rotation period of only 10.7 minutes, which was considered to be one of the shortest sidereal days of any known Solar System object at the time; most asteroids with established rotational rates ...
Long-term numerical integrations show that its orbit is very stable on Gyr time-scales (1 Gyr = 1 billion years). [2] [3] As in the case of Eureka, calculations in both directions of time (4.5 Gyr into the past and 4.5 Gyr into the future) indicate that 2001 DH 47 may be a primordial object, perhaps a survivor of the planetesimal population that formed in the terrestrial planets region early ...
Pages in category "Discoveries by the Spacewatch project" The following 200 pages are in this category, out of approximately 464 total. This list may not reflect recent changes .