Close Approaches

 

 

Earth (within 10 LD, today +60 days)

ObjectDateDist [LD]Dist [AU]Dist [km]Vrel [km/s]Vinf [km/s]H [mag]Size [m]
2018 CP22018-Feb-19 18:346.0895730.01563122,338,39711.2711.2524.223-
2018 CJ2018-Feb-20 07:269.2661070.02378503,558,18615.3315.3223.622-
2017 DR1092018-Feb-24 05:183.6911080.00947461,417,3867.377.3327.614
2018 CE142018-Feb-24 15:575.1713390.01327421,985,79510.1710.1525.66-
2017 VR122018-Mar-07 07:533.7641760.00966221,445,4446.306.2620.503377.5
2015 DK2002018-Mar-10 05:106.9215430.01776682,657,8738.038.0125.636
2004 FG292018-Apr-02 13:454.0002210.01026811,536,08514.9214.9126-
2014 UR2018-Apr-14 06:419.2518860.02374853,552,7254.394.3726.622.5

 

Moon (within 10 LD, today +60 days)

ObjectDateDist [LD]Dist [AU]Dist [km]Vrel [km/s]Vinf [km/s]H [mag]Size [m]
2017 DR1092018-Feb-24 10:073.0541260.00783961,172,7856.456.4527.614
2017 VR122018-Mar-07 08:182.9781850.00764461,143,6236.046.0320.503377.5
2004 FG292018-Apr-02 07:053.8287650.00982801,470,24615.0115.0126-

 

LD: Lunar distance (1LD = 384,402km or 0.00257AU)
AU: Astronomical unit (1AU = 149,597,870.7km or 389.5777LD)
Size: average of estimated min and max diameters in meters

Source: The JPL SSD/CNEOS API service

 

 

Diameter Estimation [in kilometers]

A function of absolute magnitude (h) and visual geometric albedo (a) assuming a spherical object with a uniform surface.
Formula in PHP: D = pow(10,(0.5*(6.259 - log10(a) - 0.4 * h)))

A=0.3A=0.25A=0.20A=0.15A=0.1A=0.05
H=300.002460.002690.003010.003480.004260.00603
H=29.50.003100.003390.003790.004380.005360.00759
H=290.003900.004270.004780.005510.006750.00955
H=28.50.004910.005380.006010.006940.008500.01202
H=280.006180.006770.007570.008740.010700.01514
H=27.50.007780.008520.009530.011000.013470.01906
H=270.009790.010730.011990.013850.016960.02399
H=26.50.012330.013510.015100.017440.021360.03020
H=260.015520.017000.019010.021950.026880.03802
H=25.50.019540.021410.023930.027630.033850.04786
H=250.024600.026950.030130.034790.042610.06026
H=24.50.030970.033930.037930.043800.053640.07586
H=240.038990.042710.047750.055140.067530.09550
H=23.50.049080.053770.060120.069420.085020.12023
H=230.061790.067690.075680.087390.107030.15136
H=22.50.077790.085220.095280.110020.134740.19055
H=220.097940.107280.119950.138500.169630.23989
H=21.50.123290.135060.151000.174360.213550.30201
H=210.155220.170030.190100.219510.268840.38020
H=20.50.195410.214060.239320.276350.338450.47865
H=200.246000.269480.301290.347900.426090.60258
H=19.50.309700.339260.379300.437980.536410.75860
H=190.389890.427100.477510.551380.675310.95503
H=18.50.490840.537690.601150.694150.850161.20231
H=180.617930.676910.756810.873891.070291.51361
H=17.50.777930.852180.952761.100161.347411.90553
H=170.979351.072831.199461.385011.696292.39892
H=16.51.232931.350611.510031.743632.135503.02006
H=161.552171.700321.901012.195102.688443.80203
H=15.51.954072.140572.393232.763473.384544.78647
H=152.460022.694823.012903.479004.260896.02580
H=14.53.096993.392583.793024.379805.364147.58604
H=143.898884.271004.775135.513846.753059.55026
H=13.54.908395.376886.011536.941528.5015912.02306
H=136.179306.769097.568078.7388510.7028615.13614
H=12.57.779288.521779.5276311.0015613.4741119.05527
H=129.7935310.7282811.9945813.8501516.9629023.98916
H=11.512.3293313.5061015.1002817.4363021.3550230.20056
H=1115.5217017.0031719.0101321.9510026.8843838.02025
H=10.519.5406721.4057323.9323327.6346833.8454347.86466
H=1024.6002426.9482130.1290234.7900042.6088760.25804