A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make close approaches to the Earth...
32 KB (1,786 words) - 09:43, 3 March 2025
Minimum orbit intersection distance (category Near-Earth objects)
as well: Jupiter MOID, Venus MOID and so on. An object is classified as a potentially hazardous object (PHO) – that is, posing a possible risk to Earth...
10 KB (716 words) - 20:21, 5 December 2024
the Earth's orbit, and the object is larger than 140 meters (460 ft) across, it is considered a potentially hazardous object (PHO). Most known PHOs and...
165 KB (16,539 words) - 20:24, 28 May 2025
Zealand Public health observatory, UK Potentially hazardous object, an asteroid or comet that could potentially collide with Earth Pho regulon, a bacterial...
654 bytes (85 words) - 13:10, 11 December 2024
Planet Center, and include the binary asteroid 4383 Suruga, the potentially hazardous object (7753) 1988 XB and the Jupiter trojan 4715 Medesicaste. Japan...
12 KB (785 words) - 08:45, 28 September 2024
2022 AP7 (category Potentially hazardous asteroids)
2022 AP7 is a kilometer-sized Apollo asteroid and potentially hazardous object orbiting between Venus and Jupiter. It was discovered on 13 January 2022...
16 KB (1,002 words) - 13:32, 30 March 2025
(741081) 2005 LW3 (category Potentially hazardous asteroids)
(741081) 2005 LW3 is a binary near-Earth asteroid classified as a potentially hazardous object of the Apollo group. It was discovered on 5 June 2005 by the...
7 KB (562 words) - 17:54, 27 November 2024
2013 FW13 (category Potentially hazardous asteroids)
2013 FW13 is an Apollo asteroid and a potentially hazardous object, that was discovered on March 23, 2013 by the Catalina Sky Survey. Further observation...
4 KB (255 words) - 00:14, 18 September 2024
2015 DR215 (category Potentially hazardous asteroids)
05 AU (7.5 million km; 4.6 million mi) of Earth, making it a potentially hazardous object. On 11 March 2022, it made a close approach 0.045 AU (6.7 million km;...
7 KB (567 words) - 00:23, 2 September 2024
is to look for and catalogue near-Earth objects such as comets, asteroids, and potentially hazardous objects that could impact Earth, as well as help...
12 KB (967 words) - 01:38, 29 March 2025
(745311) 2010 XC15 (category Potentially hazardous asteroids)
(provisional designation 2010 XC15) is an Aten near-Earth asteroid and potentially hazardous object that spends most of its time inside of the orbit of Earth. It...
6 KB (430 words) - 06:36, 25 May 2025
99942 Apophis (category Potentially hazardous asteroids)
(provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, that caused...
102 KB (8,323 words) - 18:01, 18 May 2025
(7341) 1991 VK (category Potentially hazardous asteroids)
Observatory in California on 1 November 1991. It is listed as a potentially hazardous object. Every 5 years (from 1946 through 2091) the asteroid makes a...
3 KB (244 words) - 13:59, 10 April 2025
3671 Dionysus (category Potentially hazardous asteroids)
its perihelion is just within Earth's orbit. 3671 Dionysus is a potentially hazardous asteroid (PHA) because its minimum orbit intersection distance (MOID)...
6 KB (536 words) - 21:22, 14 January 2024
(85990) 1999 JV6 (category Potentially hazardous asteroids)
designation 1999 JV6) is a sub-kilometer near-Earth asteroid and a potentially hazardous object of the Apollo group. It was discovered by astronomers of the...
7 KB (566 words) - 00:47, 19 January 2024
Spaceguard (redirect from Near-Earth Object Program)
catalogue, and study near-Earth objects (NEO), especially those that may impact Earth (potentially hazardous objects). Asteroids are discovered by telescopes...
15 KB (1,637 words) - 00:54, 27 January 2025
Tunguska event (category Articles containing potentially dated statements from February 2020)
004 km/h (Mach 80). Though the incident is classified as an impact event, the object is thought to have exploded at an altitude of 5 to 10 kilometres (3 to 6...
74 KB (8,900 words) - 14:27, 20 May 2025
(308242) 2005 GO21 (category Potentially hazardous asteroids)
(308242) 2005 GO21 is a large Aten near-Earth asteroid and potentially hazardous object. It has a well determined orbit with an observation arc of 7 years...
5 KB (292 words) - 19:56, 14 January 2024
Steven J. Ostro (section Work on other objects)
222 near-Earth asteroids, including 130 potentially hazardous objects and 24 binaries, and 118 main belt objects with radar. He died December 15, 2008,...
10 KB (1,054 words) - 23:19, 23 June 2024
(517103) 2013 EM20 (category Potentially hazardous asteroids)
designated 2008 AO112) is an Apollo near-Earth asteroid and potentially hazardous object. It was discovered on 12 January 2008 by the Mount Lemmon Survey...
5 KB (353 words) - 11:18, 4 February 2025
(444004) 2004 AS1 (category Potentially hazardous asteroids)
AL00667, is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 300 meters in diameter...
6 KB (490 words) - 18:47, 27 November 2023
(85989) 1999 JD6 (category Potentially hazardous asteroids)
designation 1999 JD6) is an Aten asteroid, near-Earth object, and potentially hazardous object in the inner Solar System that makes frequent close approaches...
4 KB (293 words) - 15:26, 30 April 2024
4179 Toutatis (category Potentially hazardous asteroids)
stony asteroid and slow rotator, classified as a near-Earth object and potentially hazardous asteroid of the Apollo asteroid group, approximately 2.5 kilometers...
27 KB (2,353 words) - 14:06, 14 January 2025
(612358) 2002 JE9 (category Potentially hazardous asteroids)
(also written 2002 JE9) is an Apollo near-Earth asteroid and potentially hazardous object. It has a well determined orbit with an observation arc of 10...
8 KB (405 words) - 18:26, 27 November 2023
101955 Bennu (category Potentially hazardous asteroids)
discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the second highest...
105 KB (9,254 words) - 16:04, 2 May 2025
1862 Apollo (category Potentially hazardous asteroids)
have an angular diameter of about 2.0835 degrees. 1862 Apollo is a potentially hazardous asteroid (PHA) because its minimum orbit intersection distance (MOID)...
10 KB (687 words) - 23:09, 11 May 2025
(177049) 2003 EE16 (category Potentially hazardous asteroids)
provisionally known as 2003 EE16, is an Apollo near-Earth asteroid and potentially hazardous object. It was discovered on 8 March 2003 by LPL/Spacewatch II at an...
7 KB (458 words) - 19:10, 27 November 2023
Sentry (monitoring system) (category Near-Earth object tracking)
about 21 objects in the table are large enough, with a diameter greater than about 140 meters, to be considered potentially hazardous objects. The average...
16 KB (1,707 words) - 07:31, 5 April 2025
2004 TN1 (category Potentially hazardous asteroids)
2004 TN1 is a sub-kilometer near-Earth asteroid and potentially hazardous object of the Apollo group, approximately 180 meters (600 ft) in diameter. It...
8 KB (648 words) - 17:36, 27 November 2023
4769 Castalia (category Potentially hazardous asteroids)
(/kəˈsteɪliə/; prov. designation: 1989 PB) is a near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.4 kilometers...
7 KB (452 words) - 22:26, 28 January 2025