4953 (1990 MU)

Q: How close will 4953 (1990 MU) come to Earth?

The closest recorded approach of 4953 (1990 MU) to Earth is 0.1255 AU (18.8 million km) on November 25, 1921, traveling at approximately 25.1 km/s.

Q: How big is 4953 (1990 MU)?

Based on NASA estimates, 4953 (1990 MU) has an estimated diameter of 4.55 km (2809–6281 meters range). Its absolute magnitude is H=14.88.

HAZARDOUS

Designation: 4953 · NASA Reference ID: 2004953

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4.55 km

Est. Diameter

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H = 14.9

Absolute Magnitude

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0.1255 AU (18.8 million km)

Closest Miss Distance

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25.1 km/s

Relative Velocity

Close Approach Data

Date	Miss Distance	Lunar Distance	Speed	Body
November 18, 1919	0.1206 AU (18.0 million km)	46.9 LD	19.0 km/s	Venus
November 25, 1921	0.1255 AU (18.8 million km)	48.8 LD	25.1 km/s	Earth
June 3, 1930	0.0540 AU (8.1 million km)	21.0 LD	22.3 km/s	Earth
October 10, 1948	0.0429 AU (6.4 million km)	16.7 LD	23.4 km/s	Venus
December 4, 1954	0.1466 AU (21.9 million km)	57.0 LD	21.5 km/s	Earth
June 10, 1963	0.0948 AU (14.2 million km)	36.9 LD	25.6 km/s	Earth
September 3, 1977	0.1438 AU (21.5 million km)	55.9 LD	29.0 km/s	Venus
November 20, 1985	0.1776 AU (26.6 million km)	69.1 LD	27.4 km/s	Earth
May 30, 1994	0.1418 AU (21.2 million km)	55.2 LD	19.9 km/s	Earth
October 5, 2012	0.0568 AU (8.5 million km)	22.1 LD	22.0 km/s	Venus
November 29, 2018	0.1068 AU (16.0 million km)	41.6 LD	23.4 km/s	Earth
April 23, 2025	0.1394 AU (20.9 million km)	54.2 LD	23.2 km/s	Venus
June 6, 2027	0.0308 AU (4.6 million km)	12.0 LD	23.8 km/s	Earth
September 3, 2041	0.0581 AU (8.7 million km)	22.6 LD	22.0 km/s	Venus
November 24, 2049	0.1228 AU (18.4 million km)	47.8 LD	25.4 km/s	Earth
June 5, 2058	0.0231 AU (3.5 million km)	9.0 LD	23.1 km/s	Earth
August 7, 2070	0.1168 AU (17.5 million km)	45.4 LD	19.2 km/s	Venus
November 19, 2080	0.1898 AU (28.4 million km)	73.8 LD	27.9 km/s	Earth
May 30, 2089	0.1251 AU (18.7 million km)	48.7 LD	20.3 km/s	Earth
July 8, 2099	0.1328 AU (19.9 million km)	51.7 LD	18.6 km/s	Venus
December 6, 2113	0.1544 AU (23.1 million km)	60.0 LD	20.9 km/s	Earth
June 13, 2122	0.1523 AU (22.8 million km)	59.2 LD	27.3 km/s	Earth
December 1, 2144	0.1052 AU (15.7 million km)	40.9 LD	22.6 km/s	Earth
March 1, 2151	0.1355 AU (20.3 million km)	52.7 LD	28.4 km/s	Venus
June 10, 2153	0.0909 AU (13.6 million km)	35.4 LD	25.7 km/s	Earth
September 21, 2163	0.1440 AU (21.5 million km)	56.0 LD	20.1 km/s	Venus
November 30, 2175	0.0949 AU (14.2 million km)	36.9 LD	23.2 km/s	Earth
February 3, 2180	0.0573 AU (8.6 million km)	22.3 LD	23.1 km/s	Venus
June 10, 2184	0.0778 AU (11.6 million km)	30.2 LD	25.4 km/s	Earth

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Potentially Hazardous Asteroid

4953 (1990 MU) is classified as a Potentially Hazardous Asteroid (PHA) because it is estimated to be larger than 140 meters and its orbit comes within 0.05 AU of Earth. NASA continuously monitors this object for any future impact risk. Current data does not indicate a confirmed impact event.

Frequently Asked Questions

Is 4953 (1990 MU) dangerous?▾

4953 (1990 MU) is classified as a potentially hazardous asteroid (PHA) by NASA. This means it is large enough and its orbit brings it close enough to Earth to warrant close monitoring. However, a PHA classification does not mean an impact is imminent.

How close will 4953 (1990 MU) come to Earth?▾

The closest recorded Earth approach of 4953 (1990 MU) is 0.1255 AU (18.8 million km) on November 25, 1921, at a speed of approximately 25.1 km/s.

How big is 4953 (1990 MU)?▾

4953 (1990 MU) has an estimated diameter of 4.55 km (2809–6281 meters range). Its absolute magnitude (H) is 14.88, which NASA uses along with assumed albedo to estimate size.