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: 12/19/2022
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 19:29:29 -76.50, 49.64 79.69 12/28/2022 19:28:15 -76.49, 49.67 79.68 1.63 74
2 12/28/2022 20:19:00 73.05,-133.34 96.40 12/28/2022 20:17:49 73.05,-133.32 96.41 0.72 71
3 12/28/2022 21:09:20 -72.19, 35.75 84.53 12/28/2022 21:08:16 -72.19, 35.75 84.52 0.13 64
4 12/28/2022 22:01:01 75.07,-163.69 98.63 12/28/2022 22:00:00 75.06,-163.74 98.65 1.23 61
5 12/28/2022 22:47:50 -63.06, 21.98 93.80 12/28/2022 22:46:56 -63.07, 21.98 93.79 1.68 54
6 12/28/2022 23:39:34 66.34,-173.86 89.46 12/28/2022 23:38:42 66.34,-173.87 89.46 0.50 52
7 12/29/2022 00:29:46 -65.03, -5.16 91.85 12/29/2022 00:29:01 -65.00, -5.17 91.88 3.17 45
8 12/29/2022 01:17:36 55.19, 169.32 78.59 12/29/2022 01:16:53 55.19, 169.30 78.58 1.01 43
9 12/29/2022 02:05:48 -47.05, -19.50 109.12 12/29/2022 02:05:13 -47.04, -19.53 109.16 2.91 35
10 12/29/2022 03:20:56 45.03, -20.10 147.59 12/29/2022 03:20:28 45.01, -20.10 147.66 1.37 28
11 12/29/2022 04:10:26 -49.38, 148.99 35.66 12/29/2022 04:10:00 -49.38, 148.99 35.61 0.53 26
12 12/29/2022 04:55:59 66.49, -32.14 129.62 12/29/2022 04:55:39 66.49, -32.12 129.64 0.98 20
13 12/29/2022 05:46:10 -68.21, 137.21 52.01 12/29/2022 05:45:54 -68.20, 137.21 51.99 1.06 16
14 12/29/2022 06:38:02 64.12, -59.84 131.82 12/29/2022 06:37:52 64.12, -59.87 131.84 1.42 10
15 12/29/2022 07:25:09 -75.40, 125.85 59.38 12/29/2022 07:25:03 -75.38, 125.84 59.36 2.38 6
16 12/29/2022 08:16:43 72.68, -73.58 123.55 12/29/2022 08:16:42 72.68, -73.60 123.55 0.47 1
17 12/29/2022 09:07:12 -73.32, 95.11 57.12 12/29/2022 09:07:15 -73.34, 95.13 57.14 2.15 3
18 12/29/2022 09:55:54 78.62, -78.46 116.66 12/29/2022 09:56:02 78.62, -78.40 116.65 1.47 8
19 12/29/2022 10:47:17 -76.87, 80.31 61.09 12/29/2022 10:47:30 -76.88, 80.31 61.10 0.39 13
20 12/29/2022 11:37:47 77.28,-110.68 118.42 12/29/2022 11:38:05 77.28,-110.69 118.41 0.34 18
21 12/29/2022 12:27:53 -78.68, 63.93 63.44 12/29/2022 12:28:16 -78.67, 63.88 63.44 1.50 23
22 12/29/2022 13:19:26 76.44,-139.34 119.43 12/29/2022 13:19:54 76.44,-139.43 119.42 2.32 28
23 12/29/2022 14:09:25 -78.22, 35.93 62.81 12/29/2022 14:09:57 -78.25, 36.01 62.86 3.00 32
24 12/29/2022 14:59:24 79.69,-146.65 115.02 12/29/2022 15:00:01 79.69,-146.61 114.98 0.84 37
25 12/29/2022 15:50:17 -79.27, 17.27 64.31 12/29/2022 15:50:59 -79.28, 17.30 64.35 1.03 42
26 12/29/2022 16:41:01 79.12,-176.50 115.92 12/29/2022 16:41:48 79.12,-176.55 115.90 1.05 47
27 12/29/2022 17:31:17 -79.92, -2.52 65.39 12/29/2022 17:32:09 -79.92, -2.56 65.42 0.98 52
28 12/29/2022 18:21:24 80.76, 175.43 112.84 12/29/2022 18:22:20 80.76, 175.57 112.78 2.61 56
29 12/29/2022 19:12:22 -80.34, -23.23 66.20 12/29/2022 19:13:24 -80.33, -23.37 66.22 3.01 62
30 12/29/2022 20:03:00 80.40, 144.75 113.69 12/29/2022 20:04:06 80.40, 144.79 113.64 0.74 66
31 12/29/2022 20:53:48 -80.19, -50.39 65.89 12/29/2022 20:54:59 -80.20, -50.33 65.95 1.48 71

Figure of NOAA-21 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 12/19/2022
SNOs_Map_NOAA-21_NOAA-20_20221219.jpg

Download SNOs between NOAA-21 and NOAA-20 since TLE EPOCH: 12/19/2022 in txt file.

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