Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/17/2022
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Distance(km) Time Diff (sec)
1 12/28/2022 19:29:31 -76.60, 49.25 79.56 12/28/2022 19:28:17 -76.59, 49.27 79.55 1.66 74
2 12/28/2022 20:19:05 73.32,-133.94 96.69 12/28/2022 20:17:54 73.32,-133.92 96.70 0.61 71
3 12/28/2022 21:09:21 -72.26, 35.62 84.46 12/28/2022 21:08:17 -72.26, 35.62 84.45 0.09 64
4 12/28/2022 22:01:08 75.42,-164.73 99.03 12/28/2022 22:00:07 75.41,-164.78 99.05 1.31 61
5 12/28/2022 22:47:50 -63.08, 21.96 93.78 12/28/2022 22:46:56 -63.09, 21.96 93.77 1.64 54
6 12/28/2022 23:39:42 66.80,-174.36 89.92 12/28/2022 23:38:50 66.80,-174.37 89.92 0.58 52
7 12/29/2022 00:30:05 -66.09, -6.24 90.80 12/29/2022 00:29:20 -66.06, -6.25 90.83 3.19 45
8 12/29/2022 01:17:46 55.79, 168.99 79.16 12/29/2022 01:17:03 55.79, 168.97 79.15 1.07 43
9 12/29/2022 02:05:48 -47.07, -19.50 109.10 12/29/2022 02:05:13 -47.06, -19.53 109.14 2.94 35
10 12/29/2022 03:20:56 45.00, -20.11 147.60 12/29/2022 03:20:28 44.99, -20.10 147.68 1.47 28
11 12/29/2022 04:10:09 -50.34, 149.41 36.41 12/29/2022 04:09:43 -50.33, 149.42 36.35 0.55 26
12 12/29/2022 04:56:05 66.14, -32.52 129.95 12/29/2022 04:55:45 66.14, -32.50 129.97 0.88 20
13 12/29/2022 05:46:04 -68.51, 137.60 52.30 12/29/2022 05:45:48 -68.50, 137.60 52.28 1.06 16
14 12/29/2022 06:34:44 74.61, -43.75 121.51 12/29/2022 06:34:33 74.60, -43.70 121.51 1.29 11
15 12/29/2022 07:25:05 -75.57, 126.38 59.57 12/29/2022 07:24:59 -75.55, 126.36 59.55 2.39 6
16 12/29/2022 08:16:47 72.46, -74.03 123.78 12/29/2022 08:16:46 72.46, -74.05 123.78 0.62 1
17 12/29/2022 09:07:10 -73.40, 95.30 57.21 12/29/2022 09:07:13 -73.42, 95.31 57.23 2.13 3
18 12/29/2022 09:55:59 78.41, -79.69 116.95 12/29/2022 09:56:07 78.41, -79.63 116.93 1.30 8
19 12/29/2022 10:47:15 -76.94, 80.60 61.18 12/29/2022 10:47:28 -76.95, 80.60 61.19 0.37 13
20 12/29/2022 11:37:51 77.09,-111.48 118.66 12/29/2022 11:38:09 77.09,-111.51 118.64 0.52 18
21 12/29/2022 12:27:51 -78.74, 64.31 63.52 12/29/2022 12:28:14 -78.73, 64.27 63.53 1.52 23
22 12/29/2022 13:17:39 80.40,-113.89 113.70 12/29/2022 13:18:06 80.39,-113.76 113.66 2.41 27
23 12/29/2022 14:09:23 -78.29, 36.29 62.90 12/29/2022 14:09:55 -78.31, 36.37 62.94 2.97 32
24 12/29/2022 14:59:26 79.62,-147.31 115.15 12/29/2022 15:00:03 79.61,-147.28 115.11 0.62 37
25 12/29/2022 15:50:15 -79.33, 17.70 64.40 12/29/2022 15:50:57 -79.33, 17.73 64.44 0.99 42
26 12/29/2022 16:41:03 79.04,-177.09 116.05 12/29/2022 16:41:50 79.03,-177.16 116.03 1.28 47
27 12/29/2022 17:31:15 -79.97, -2.04 65.48 12/29/2022 17:32:07 -79.96, -2.08 65.51 1.02 52
28 12/29/2022 18:21:26 80.71, 174.61 112.97 12/29/2022 18:22:22 80.71, 174.74 112.91 2.37 56
29 12/29/2022 19:12:21 -80.36, -23.03 66.24 12/29/2022 19:13:23 -80.35, -23.16 66.26 3.06 62
30 12/29/2022 20:03:02 80.34, 143.99 113.82 12/29/2022 20:04:08 80.33, 144.02 113.77 0.50 66
31 12/29/2022 20:53:47 -80.21, -50.19 65.93 12/29/2022 20:54:58 -80.21, -50.13 65.99 1.42 71

Figure of NOAA-21 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 12/17/2022
SNOs_Map_NOAA-21_NOAA-20_20221217.jpg

Download SNOs between NOAA-21 and NOAA-20 since TLE EPOCH: 12/17/2022 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-20