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(153814) 2001 WN5

Potentially hazardous near-Earth asteroid

Field	Value
minorplanet	yes
name	(153814)
background	#FFC2E0
discovery_ref
discoverer	LONEOS
discovery_site	Anderson Mesa Stn.
discovered	20 November 2001
mpc_name	(153814)
alt_names
mp_category	{{Hlist
Apollo<ref name	"jpldata" /
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	21.88 yr (7,990 days)
aphelion	2.5114 AU
perihelion	0.9125 AU
semimajor	1.7119 AU
eccentricity	0.4670
period	2.24 yr (818 days)
mean_anomaly	46.227°
mean_motion	/ day
inclination	1.9197°
asc_node	277.51°
arg_peri	44.569°
moid	0.0015 AU (0.6 LD)
mean_diameter
albedo
abs_magnitude	18.3

| NEO | PHA | Apollo **** is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

Date & Time	Approach
to	Nominal distance	uncertainty
region
([3-sigma](3-sigma))
2028-Jun-26 05:23	Earth		± 25 km
2028-Jun-26 07:43	Moon		± 26 km

Description

5}} (green line) passing the Earth–Moon system in June 2028

It was discovered by the Lowell Observatory Near-Earth-Object Search at Anderson Mesa Station on 20 November 2001, The potentially hazardous asteroid was removed from the Sentry Risk Table on 30 January 2002.

There are precovery images dating back to 10 February 1996. The orbit is well determined with an observation arc of 14.9 years which includes two radar delay observations. It has an Uncertainty Parameter of 0.

The asteroid will pass 248700 km from the Earth on 26 June 2028. During the close approach, the asteroid should peak at about apparent magnitude 6.7, and will be visible in binoculars. It has an absolute magnitude (H) of 18.2.

According to observations by the NEOWISE mission, the asteroid measures approximately 0.9 km in diameter and its surface has a rather low albedo of 0.097.

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

apollo-asteroids discoveries-by-loneos potentially-hazardous-asteroids near-earth-objects-removed-from-the-sentry-risk-table astronomical-objects-discovered-in-2001

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