CLOSE APPROACHES

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Last update: 2024-05-05 13:31 UTC

Every month dozens of NEAs come within 0.05 au of Earth. The following table presents the list of these forthcoming and recent close approaches, with details concerning the encounter circumstances.

Among the quantities in the table is the maximum brightness reached by the object at the close approach, useful to estimate its observability during the encounter. For a detailed description see the "Definitions and Assumptions" page. Entries are by default sorted by date, but the sorting can be changed by clicking on the table headers.

The last column provides an assessment on how often one can expect an object of a given size to pass at a given distance and velocity from the Earth. A colour-coded evaluation is provided indicating whether a given close approach can be considered as very frequent (in blue), frequent (in green), infrequent (in yellow), rare (in orange) or very rare (in red). For example, the close approach to Earth of asteroid (99942) Apophis in 2029 will be a very rare event. The formulation associated to the computation of this close approach index can be found here.

1 au = 149597870.7 km


1 LD = 384399 km


Distances are computed

from the center of the Earth

Go to recent close approaches table

Upcoming close approaches to Earth

Object designationClose approach date in UTCMiss distance in kmMiss distance in auMiss distance in LDDiameter in mH in magMaximum brightness in magRelative velocity in km/sCAICAI Index
2024-05-05 07:4518214980.0121764.73922 - 50*25.418.128.92.220
2024-05-05 08:3612901300.0086243.35617 - 40*25.917.78.81.933
2024-05-05 18:5519056400.0127384.95715 - 30*26.218.811.02.565
2024-05-05 21:3318894900.0126304.91540 - 80*24.318.75.20.812
2024-05-06 08:1129069090.0194317.56220 - 40*25.619.513.42.624
2024-05-06 14:4866480230.04443917.29540 - 90*24.120.425.02.440
2024-05-06 20:1412062070.0080633.13818 - 40*25.817.412.11.945
2024-05-06 21:574754060.0031781.2376 - 14*28.218.311.72.660
2024-05-07 00:042957060.0019770.7698 - 18*27.717.113.01.930
2024-05-08 13:332758370.0018440.7188 - 19*27.517.03.30.998
2024-05-08 14:5440784920.02726310.61020 - 40*25.620.812.52.893
2024-05-09 04:3441908240.02801410.90220 - 50*25.621.110.32.807
2024-05-09 08:1142229910.02822910.98650 - 120*23.518.325.21.743
2024-05-10 18:1626464900.0176916.88513 - 29*26.521.29.72.978
2024-05-10 19:3154828920.03665114.26425 - 60*25.120.316.12.909
2024-05-12 16:0216947860.0113294.4096 - 14*28.221.43.22.926
2024-05-14 02:4260426130.04039215.72090 - 190*22.418.623.11.623
2024-05-14 09:4227398980.0183157.12840 - 80*24.417.618.91.807
2024-05-14 12:4971277660.04764618.54326 - 60*25.120.413.13.028
2024-05-15 12:3064230220.04293516.70921 - 50*25.520.05.72.752
2024-05-16 23:3835992240.0240599.3638 - 18*27.622.218.54.151
2024-05-17 08:3552459090.03506713.6475 - 10*28.823.85.54.662
2024-05-18 20:4821731430.0145275.65310 - 23*27.119.93.02.386
2024-05-19 21:5450689660.03388413.18760 - 140*23.119.116.01.628
2024-05-20 11:5472906950.04873518.96622 - 50*25.420.25.52.787
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Go to upcoming close approaches table

Recent close approaches to Earth

Object designationClose approach date in UTCMiss distance in kmMiss distance in auMiss distance in LDDiameter in mH in magMaximum brightness in magRelative velocity in km/sCAICAI Index
2024-05-04 19:436890290.0046061.79223 - 50*25.314.88.60.976
2024-05-04 15:1152941210.03538913.77240 - 80*24.219.27.81.936
2024-05-03 13:5451719320.03457213.45550 - 120*23.518.59.01.588
2024-05-01 21:5029085960.0194437.56720 - 40*25.619.418.32.720
2024-05-01 01:4115386330.0102854.0038 - 18*27.619.56.32.972
2024-04-30 23:5571304360.04766418.550250 - 500*20.214.917.71.061
2024-04-30 22:0742388620.02833511.02716 - 40*26.119.611.73.204
2024-04-30 18:0256697890.03790014.75026 - 60*25.020.213.12.796
2024-04-30 16:2711039240.0073792.8726 - 14*28.219.76.63.086
2024-04-30 14:028371420.0055962.1786 - 13*28.218.45.52.748
2024-04-30 05:3042906190.02868111.16211 - 25*26.920.53.52.938
2024-04-29 17:1627353000.0182847.1167 - 17*27.821.43.73.181
2024-04-29 15:17374160.0002500.0974 - 8*29.318.99.21.034
2024-04-29 15:1225406670.0169836.60911 - 25*26.920.012.43.271
2024-04-29 11:0949297620.03295312.82530 - 70*24.819.45.21.969
2024-04-29 02:517861730.0052552.04530 - 70*24.514.513.80.748
2024-04-28 14:3242037040.02810010.93614 - 30*26.320.96.63.034
2024-04-28 09:1418876180.0126184.9119 - 21*27.318.710.33.187
2024-04-28 09:0625489080.0170386.63110 - 23*27.120.14.22.770
2024-04-28 07:0540432740.02702810.51827 - 60*25.020.912.82.474
2024-04-28 06:1137795740.0252659.83216 - 40*26.020.68.02.874
2024-04-28 03:4019299870.0129015.02119 - 40*25.719.410.92.223
2024-04-27 10:1844159380.02951911.48821 - 50*25.519.56.62.554
2024-04-27 08:0929896130.0199847.77714 - 30*26.420.19.02.975
2024-04-27 06:548156680.0054522.12216 - 40*26.116.311.01.738
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