Тревога! Астероид 2018 KW1 (Apollo, Ø = 4 м) - 23 мая 2018 года в 0.0009996142 a.e. (0.39 LD) от Земли ..

[Silvester]

2018 KW1 _ K18K01W _ ZKAD3BC object, MPEC 2018-K66¹, MPEC 2018-K68²

Астероид 2018 KW1 _ K18K01W _ ZKAD3BC object, Ø 4 м (H = 29.734), класса Аполлон (Apollo), 23 мая 2018 года в 11:58 UT пролетит на расстоянии 0.0009996142 a.e. (0.39 LD) от Земли, примерно 149 942.13 км ..
Inside 10 LD of Earth: 17 - 29 мая 2018 года ..

¹ 2018 KW1 / K18K01W (Earth MOID=0.4 LD, H=29.8 ~4m) was picked up at 0439 UT on 22 May by MLS, observing it at May 22.19-21p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 22.24p4 & 22.33p4) and Xingming Obs. (May 22.66-67p2) ..

² 2018 KW1 / K18K01W (Earth MOID=0.4 LD, H=29.8 ~4m) from Great Shefford Obs. (May 22.91-92p4 & 22.98-99p3) ..

² Элементы орбиты (orbital elements) астероида 2018 KW1 _ K18K01W _ ZKAD3BC object:
2018 KW1 Earth MOID = 0.0010 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 312.25690 (2000.0) P Q
n 0.57039274 Peri. 205.32041 -0.05413221 +0.99181730
a 1.4399698 Node 61.76350 -0.89236205 +0.00390646
e 0.3121654 Incl. 7.54112 -0.44806214 -0.12760561
P 1.73 H 29.8 G 0.15 U 5

Residuals in seconds of arc
180522 G96 0.5- 0.9- 180522 I52 0.3- 0.1+ 180522 J95 0.0 0.0
180522 G96 0.8+ 1.2+ 180522 I52 (0.9- 2.6-) 180522 J95 0.2+ 0.0
180522 G96 0.2+ 0.9+ 180522 I52 0.4- 1.2- 180522 J95 0.0 0.3+
180522 G96 0.4+ 0.9+ 180522 I52 (0.2- 2.0-) 180522 J95 0.1- 0.2+
180522 I52 0.3- 0.2- 180522 I52 0.1+ 1.3- 180522 J95 0.2- 0.0
180522 I52 0.0 0.5+ 180522 C42 0.4+ 0.4- 180522 J95 0.1- 0.0
180522 I52 0.0 0.4+ 180522 C42 0.5- 1.2- 180522 J95 0.1+ 0.2-

Эфемериды (ephemeris) астероида 2018 KW1 _ K18K01W _ ZKAD3BC object:
2018 KW1 a,e,i = 1.44, 0.31, 8 q = 0.9905
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 23 14 10 19.3 +25 46 13 0.1248 1.1061 141.8 34.2 26.9
...
2018 05 08 14 06 57.4 +27 49 59 0.06238 1.0531 133.5 44.0 25.6
...
2018 05 16 14 03 43.3 +27 34 52 0.03017 1.0303 129.0 49.7 24.1
...
2018 05 22 13 50 48.5 +20 30 01 0.0061621.0161 129.3 50.4 20.7
2018 05 23 13 26 53.8 +04 02 14 0.0022681.0140 135.6 44.3 18.3
2018 05 24 02 53 06.9 -48 37 46 0.0022831.0118 71.0 108.9 20.7
...
2018 05 30 02 00 30.0 -25 58 31 0.02620 1.0005 59.3 119.4 26.7
...
2018 06 07 02 00 24.6 -24 18 38 0.05814 0.9907 63.9 113.0 28.0
...
2018 06 22 02 05 58.1 -22 29 23 0.1160 0.9893 73.3 100.2 28.7