+ Minor planets discovered: 1591 see

The CINEOS program (Campo Imperatore Near-Earth Object Survey), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit. In particular CINEOS is addressed to the discovery of Atens and Interior-Earth Objects (IEOs) by extending survey coverage at small solar elongations, and to the discovery of the other kind of NEOs by observing with longer exposures (up to a limiting magnitude of 21) in the opposition region.

Between August 2001 and November 2004, CINEOS measured more than 61000 asteroid positions and discovered more than 1500 new objects, including several NEOs and one cometary centaur, 167P/CINEOS. In June–September 2003, CINEOS was ranked fifth in the world for the number of discoveries (sixth place in the period June–August 2004) and has been the first Italian professional program to discover a NEO and an asteroid beyond the orbit of Jupiter.

The survey is carried out at the Campo Imperatore station of the Rome Observatory near the summit of the Gran Sasso Mountain, at about 2,150 meters of elevation. The station is located about 130 km north-east of Rome. The Observatory of Turin has been also involved in this project. Operated at the Schmidt telescope (60-90–183 cm) available at the station, the program uses between 10 and 14 nights per month, usually around the first and last quarter of the moon.

Objectives The science of CINEOS consists of two main observing activities:

NEO discovery To search for near-Earth objects (NEOs), concentrating activities at small solar elongations. The objective is to optimize a ground-based system towards the discoveries of: Aten asteroids Interior-Earth Objects (IEOs)

Although the NEO discovery rate grew significantly from 2001 to 2005, knowledge of bodies with small semimajor axis remains largely incomplete (Atens) or totally incomplete (Inner-Earth Objects). Most search programs concentrate their efforts near the opposition region where it is difficult if not impossible to find these objects.

Aten asteroids are also very important because numerical simulations have shown that they have the highest frequency of close encounters with the Earth. Sometimes Atens can evolve into orbits completely inside that of the Earth and vice versa. Thus, there are bodies that can come very close to the Earth, but are very difficult to observe from the ground.

Astrometry The second goal of CINEOS is to provide rapid astrometric data for: Follow-up of NEOs in urgent need of observations. Recovery of NEOs at future apparitions. Follow-up of small bodies belonging to other unusual orbital classes.

The survey activity is carried out mostly at the beginning and near the end of the night, while part of the middle of night time is usually available for the follow-up work. As a targeted follow-up system, CINEOS takes advantage of the combination of the relatively faint limiting magnitude and large field of view (probably the largest in the world for this activity). Follow-up can be provided up to magnitude 21, occasionally to 22 on the best nights.

Coordination of the follow-up work will be accomplished within the Spaceguard Central Node facilities. An essential side of the work is to choose targets that cannot be done elsewhere very easily during the epoch of the observing run.

List of discovered minor planets

39335 Caccin 10 January 2002 39336 Mariacapria 11 January 2002 52030 Maxvasile 6 August 2002 64975 Gianrix 10 January 2002 65357 Antoniucci 12 July 2002 73442 Feruglio 10 July 2002 73465 Buonanno 10 July 2002 22 July 2003 24 July 2003 30 July 2003 73551 Dariocastellano 18 August 2003 78124 Cicalò 11 July 2002 78125 Salimbeni 11 July 2002 78249 Capaccioni 4 August 2002 78252 Priscio 5 August 2002 78310 Spoto 5 August 2002 78534 Renmir 6 September 2002 78535 Carloconti 6 September 2002 78652 Quero 3 October 2002 78661 Castelfranco 2 October 2002 20 August 2003 22 August 2003 22 August 2003 22 August 2003 18 September 2003 20 September 2003 84012 Deluise 2 August 2002 84015 Efthymiopoulos 5 August 2002 84100 Farnocchia 3 September 2002 3 September 2002 3 September 2002 4 September 2002 2 October 2002 24 February 2003 10 January 2002 9 March 2003 27 March 2003 25 April 2003 18 August 2003 21 August 2003 8 August 2004 9 August 2004 13 October 2001 11 January 2002 19 June 2002 10 July 2002 10 July 2002 11 July 2002 11 July 2002 2 August 2002 5 August 2002 3 September 2002 5 September 2002 6 September 2002 113219 Thomasmazzi 7 September 2002 8 September 2002 3 October 2002 3 October 2002 3 October 2002 3 October 2002 4 October 2002 2 October 2002 2 October 2002 2 October 2002 2 October 2002 2 October 2002 2 October 2002 23 February 2003 24 February 2003 26 February 2003 25 February 2003 24 April 2003 23 April 2003 23 April 2003 25 April 2003 24 July 2003 24 July 2003 29 July 2003 29 July 2003 114828 Ricoromita 30 July 2003 114829 Chierchia 23 July 2003 19 August 2003 19 August 2003 19 August 2003 19 August 2003 19 August 2003 18 August 2003 20 August 2003 20 August 2003 20 August 2003 22 August 2003 115051 Safaeinili 4 September 2003 18 September 2003 18 September 2003 18 September 2003 18 September 2003 18 September 2003 19 September 2003 19 September 2003 19 September 2003 19 September 2003 20 September 2003 19 May 2004 10 June 2004 8 August 2004 5 November 2004 5 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