List of asteroid close approaches to Earth in 2015
Time of discovery of asteroids which came closer to Earth than the Moon in 2015 |
Below is the list of asteroid close approaches to Earth in 2015.
Timeline of known close approaches less than one lunar distance from Earth in 2015
A list of known near-Earth asteroid close approaches less than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2015.[note 1]
Note this data does not include any of the 43 objects that collided with earth in 2015, none of which were discovered in advance, but were recorded by sensors designed to detect detonation of nuclear devices (of the 43 objects detected, 2 had an impact energy greater than that of a 1 kiloton device).[1]
Rows highlighted red indicate objects which were not discovered until after closest approach
Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach
Rows highlighted green indicate objects discovered more than one week before closest approach
Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach
Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)
Date of closest approach | Date discovered | Object | Nominal geocentric distance (AU)[note 2] | Nominal geocentric distance (LD) | Size (m) (approximate) | (H) (abs. mag) | Closer approach to Moon | Refs[2][3] |
---|---|---|---|---|---|---|---|---|
2015-01-14 | 2015-01-15 | 2015 AQ43 | 0.00105 AU (157,000 km; 98,000 mi) | 0.41 | 6–13 | 28.1[4] | data · 2015 AQ43 | |
2015-01-18 | 2015-01-27 | 2015 BP513 | 0.00160 AU (239,000 km; 149,000 mi) | 0.62 | 12–27 | 26.7[5] | Yes | data · 2015 BP513 |
2015-01-20 | 2015-01-21 | 2015 BE511 | 0.00108 AU (162,000 km; 100,000 mi) | 0.42 | 4–9 | 28.9[6] | data · 2015 BE511 | |
2015-02-11 | 2015-02-12 | 2015 CH13 | 0.00189 AU (283,000 km; 176,000 mi) | 0.73 | 5–11 | 28.5[7] | data · 2015 CH13 | |
2015-02-17 | 2015-02-18 | 2015 DD1 | 0.000262 AU (39,200 km; 24,400 mi) | 0.10 | 2–5 | 30.4[8] | data · 2015 DD1 | |
2015-02-18 | 2015-02-19 | 2015 DQ224 | 0.000723 AU (108,200 km; 67,200 mi) | 0.30 | 3–9 | 29.3[9] | data · 2015 DQ224 | |
2015-03-10 | 2015-03-11 | 2015 ET | 0.000835 AU (124,900 km; 77,600 mi) | 0.32 | 10–32 | 26.7[10] | data · 2015 ET | |
2015-03-12 | 2015-03-11 | 2015 EO6 | 0.000732 AU (109,500 km; 68,000 mi) | 0.28 | 2–9 | 30.2[11] | data · 2015 EO6 | |
2015-03-16 | 2015-03-17 | 2015 FU344 | 0.00255 AU (381,000 km; 237,000 mi) | 0.99 | 2–4 | 31.0[12] | data · 2015 FU344 | |
2015-03-28 | 2015-03-25 | 2015 FM118 | 0.00238 AU (356,000 km; 221,000 mi) | 0.92 | 4–11 | 28.7[13] | data · 2015 FM118 | |
2015-04-12 | 2015-04-11 | 2015 GU | 0.000739 AU (110,600 km; 68,700 mi) | 0.29 | 5–11 | 28.4[14] | data · 2015 GU | |
2015-04-14 | 2015-04-16 | 2015 HG182 | 0.00220 AU (329,000 km; 205,000 mi) | 0.86 | 4–11 | 28.9[15] | Yes | data · 2015 HG182 |
2015-04-16 | 2015-04-15 | 2015 GL13 | 0.00124 AU (186,000 km; 115,000 mi) | 0.48 | 4–9 | 28.8[16] | Yes | data · 2015 GL13 |
2015-04-21 | 2015-04-18 | 2015 HD1 | 0.000395 AU (59,100 km; 36,700 mi) | 0.15 | 8–19 | 27.4[17] | data · 2015 HD1 | |
2015-05-15 | 2015-05-12 | 2015 JF1 | 0.00208 AU (311,000 km; 193,000 mi) | 0.81 | 6–13 | 28.1[18] | Yes | data · 2015 JF1 |
2015-05-23 | 2015-05-25 | 2015 KW121 | 0.00191 AU (286,000 km; 178,000 mi) | 0.74 | 12–40 | 26.1[19] | data · 2015 KW121 | |
2015-06-08 | 2015-06-07 | 2015 LF | 0.00132 AU (197,000 km; 123,000 mi) | 0.51 | 10–35 | 26.6[20] | data · 2015 LF | |
2015-08-06 | 2015-08-07 | 2015 PK | 0.000531 AU (79,400 km; 49,400 mi) | 0.21 | 5–15 | 28.1[21] | data · 2015 PK | |
2015-09-22 | 2015-09-24 | 2015 SK7 | 0.000178 AU (26,600 km; 16,500 mi) | 0.069 | 3–14 | 28.9[22] | data · 2015 SK7 | |
2015-10-13 | 2015-10-11 | 2015 TC25 | 0.000741 AU (110,900 km; 68,900 mi) | 0.29 | 2[23] | 29.5[24] | data · 2015 TC25 | |
2015-10-22 | 2015-10-24 | 2015 UM52 | 0.000871 AU (130,300 km; 81,000 mi) | 0.34 | 7–16 | 27.8[25] | data · 2015 UM52 | |
2015-11-05 | 2015-11-07 | 2015 VP64 | 0.00187 AU (280,000 km; 174,000 mi) | 0.73 | 5–13 | 28.3[26] | Yes | data · 2015 VP64 |
2015-11-06 | 2015-11-08 | 2015 VU64 | 0.000671 AU (100,400 km; 62,400 mi) | 0.26 | 2–4 | 30.6[27] | data · 2015 VU64 | |
2015-11-15 | 2015-11-14 | 2015 VY105 | 0.000231 AU (34,600 km; 21,500 mi) | 0.090 | 4–9 | 29.0[28] | data · 2015 VY105 | |
2015-11-20 | 2015-11-21 | 2015 WP2 | 0.00153 AU (229,000 km; 142,000 mi) | 0.60 | 1–5 | 30.1[29] | Yes | data · 2015 WP2 |
2015-12-13 | 2015-12-16 | 2015 YJ | 0.000477 AU (71,400 km; 44,300 mi) | 0.19 | 5–18 | 28.0[30] | data · 2015 YJ | |
2015-12-15 | 2015-12-06 | 2015 XY261 | 0.00193 AU (289,000 km; 179,000 mi) | 0.75 | 8–25 | 27.1[31] | data · 2015 XY261 |
Warning Times by Size
This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness.
Abs Magnitude 30 and greater
(size of a person for comparison)