CLOSE APPROACHES

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Last update: 2024-11-21 00:03 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 (Bullet Cyan Circle), frequent (Bullet Green Circle), infrequent (Bullet Yellow Circle), rare (Bullet Orange Circle), or very rare (Bullet Red Circle). For example, the close approach to Earth of asteroid (99942) Apophis in 2029 will be a very rare event (this case will only appear in the list of upcoming close approaches since April 2028). 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
2024-11-21 01:1244434130.02970211.5599 - 20*27.423.010.44.034
2024-11-21 01:257386720.0049381.92221 - 50*25.515.39.11.205
2024-11-21 23:2016817920.0112424.3758 - 17*27.718.88.53.282
2024-11-23 17:1010206240.0068222.6558 - 17*27.718.02.72.084
2024-11-24 01:0462522090.04179316.26540 - 90*24.221.413.22.299
2024-11-24 16:5657900890.03870415.06319 - 40*25.821.25.72.845
2024-11-25 00:4357866860.03868215.05450 - 120*23.416.818.91.945
2024-11-25 17:5269477250.04644318.07413 - 28*26.623.010.13.894
2024-11-26 17:608912650.0059582.31970 - 150*23.013.04.2-0.628
2024-11-27 04:2456175350.03755114.6149 - 21*27.322.713.44.249
2024-11-29 06:0572613210.04853918.89010 - 21*27.224.14.53.817
2024-11-29 21:2754296840.03629514.12514 - 30*26.327.16.33.221
2024-11-30 07:3935884430.0239879.33519 - 40*25.721.37.72.593
2024-12-02 08:5050335180.03364713.0956 - 14*28.122.67.44.387
2024-12-03 01:4472652160.04856518.90022 - 50*25.426.36.12.843
2024-12-03 23:1555321130.03698014.392300 - 700*19.715.612.20.584
2024-12-04 05:2622092920.0147685.747300 - 700*19.713.312.3-0.217
2024-12-05 13:4333137580.0221518.62110 - 22*27.221.25.83.305
2024-12-05 17:2572559850.04850318.87650 - 110*23.719.013.22.168
2024-12-08 20:4564824390.04333216.86430 - 70*24.721.14.82.093
2024-12-11 08:2664424040.04306516.76022 - 50*25.420.310.83.082
2024-12-11 18:054474910.0029911.16411 - 24*27.016.94.81.293
2024-12-17 07:518820820.0058962.29513 - 29*26.618.27.71.944
2024-12-17 14:146407410.0042831.6672.8 - 6*29.920.814.43.857
2024-12-20 00:0848602370.03248912.64411 - 24*26.921.68.83.715
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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
2024-11-20 15:3074084000.04952219.27330 - 70*24.820.06.92.508
2024-11-20 10:3551628070.03451113.43140 - 80*24.320.014.82.272
2024-11-19 23:0157900530.03870415.06330 - 70*24.619.38.72.349
2024-11-19 17:2328002840.0187197.28530 - 70*24.617.49.31.750
2024-11-19 15:4654436910.03638914.16280 - 170*22.716.514.61.524
2024-11-19 04:4723167350.0154866.02713 - 30*26.519.09.42.833
2024-11-18 21:5644334350.02963611.53340 - 80*24.319.413.22.071
2024-11-18 20:1011262810.0075292.93010 - 23*27.118.414.72.743
2024-11-18 13:4061631410.04119816.033210 - 500*20.524.014.50.970
2024-11-18 10:144842680.0032371.26010 - 22*27.217.219.32.179
2024-11-18 06:0248400490.03235412.59130 - 70*24.619.912.32.301
2024-11-17 21:4641546340.02777210.80815 - 30*26.220.04.22.643
2024-11-17 01:2712711840.0084973.30717 - 40*26.018.410.22.014
2024-11-16 20:1025038550.0167376.51422 - 50*25.418.719.32.428
2024-11-16 09:4264371200.04302916.74623 - 50*25.420.38.12.900
2024-11-16 08:3616281290.0108834.23617 - 40*26.018.513.12.338
2024-11-16 02:094387690.0029331.1419 - 20*27.417.511.12.025
2024-11-14 23:4236812250.0246079.57719 - 40*25.721.18.52.679
2024-11-14 19:061322780.0008840.34412 - 28*26.713.19.20.460
2024-11-14 12:1073150580.04889819.03024 - 50*25.222.315.53.195
2024-11-14 06:492343590.0015670.61011 - 25*26.915.58.91.058
2024-11-14 05:6072738060.04862218.92312 - 26*26.820.96.03.760
2024-11-13 22:0119538890.0130615.08340 - 80*24.417.622.81.560
2024-11-13 19:421482390.0009910.3866 - 14*28.214.97.01.385
2024-11-13 15:0843803080.02928111.39511 - 25*26.920.46.83.470
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