Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/16/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 05/16/2025 06:35:03 -73.48,-108.28 125.58 05/16/2025 06:36:10 -73.39,-105.61 125.78 85.23 67
2 05/16/2025 07:25:45 73.30, 59.44 54.22 05/16/2025 07:26:54 73.20, 61.29 54.03 60.37 69
3 05/16/2025 08:16:27 -73.18,-132.99 125.92 05/16/2025 08:17:37 -73.12,-131.54 126.05 46.90 70
4 05/16/2025 09:07:09 73.00, 34.72 53.88 05/16/2025 09:08:21 72.93, 35.36 53.77 22.36 72
5 05/16/2025 09:57:51 -72.88,-157.71 126.26 05/16/2025 09:59:04 -72.85,-157.46 126.31 8.71 73
6 05/16/2025 10:48:35 72.80, 9.77 53.64 05/16/2025 10:49:45 72.81, 9.77 53.64 1.23 70
7 05/16/2025 11:39:19 -72.78, 177.12 126.39 05/16/2025 11:40:27 -72.79, 177.06 126.39 2.27 68
8 05/16/2025 12:30:05 72.80, -15.61 53.63 05/16/2025 12:31:07 72.79, -15.61 53.61 0.94 62
9 05/16/2025 13:20:49 -72.78, 151.74 126.40 05/16/2025 13:21:49 -72.77, 151.68 126.42 2.56 60
10 05/16/2025 14:11:35 72.80, -40.98 53.62 05/16/2025 14:12:29 72.77, -40.98 53.58 3.11 54
11 05/16/2025 15:02:19 -72.78, 126.37 126.41 05/16/2025 15:03:10 -72.80, 126.41 126.41 2.47 51
12 05/16/2025 15:53:04 72.75, -66.26 53.55 05/16/2025 15:53:51 72.75, -66.36 53.55 3.49 47
13 05/16/2025 16:43:49 -72.78, 100.99 126.43 05/16/2025 16:44:32 -72.78, 101.03 126.44 1.34 43
14 05/16/2025 17:34:34 72.75, -91.63 53.53 05/16/2025 17:35:12 72.79, -91.63 53.56 3.83 38
15 05/16/2025 18:25:19 -72.79, 75.61 126.44 05/16/2025 18:25:54 -72.77, 75.65 126.47 2.59 35
16 05/16/2025 19:16:04 72.75,-117.01 53.52 05/16/2025 19:16:34 72.77,-117.01 53.53 1.66 30
17 05/16/2025 20:06:47 -72.74, 50.34 126.51 05/16/2025 20:07:15 -72.75, 50.27 126.50 2.46 28
18 05/16/2025 20:57:33 72.75,-142.39 53.50 05/16/2025 20:57:55 72.75,-142.39 53.50 0.52 22
19 05/16/2025 21:48:17 -72.74, 24.96 126.53 05/16/2025 21:48:37 -72.73, 24.90 126.54 2.29 20
20 05/16/2025 22:39:03 72.76,-167.77 53.49 05/16/2025 22:39:17 72.73,-167.76 53.46 2.69 14
21 05/16/2025 23:29:47 -72.74, -0.42 126.54 05/16/2025 23:29:58 -72.76, -0.37 126.52 2.92 11
22 05/17/2025 00:20:32 72.71, 166.96 53.42 05/17/2025 00:20:39 72.71, 166.86 53.43 3.51 7
23 05/17/2025 01:11:17 -72.74, -25.79 126.56 05/17/2025 01:11:20 -72.74, -25.75 126.55 1.43 3
24 05/17/2025 02:02:02 72.71, 141.58 53.41 05/17/2025 02:02:01 72.70, 141.48 53.40 3.69 1
25 05/17/2025 02:52:47 -72.74, -51.17 126.57 05/17/2025 02:52:42 -72.73, -51.13 126.59 2.21 5
26 05/17/2025 03:43:32 72.71, 116.21 53.39 05/17/2025 03:43:22 72.73, 116.21 53.41 2.06 10
27 05/17/2025 04:34:16 -72.69, -76.44 126.64 05/17/2025 04:34:04 -72.71, -76.51 126.62 2.71 12
28 05/17/2025 05:25:02 72.71, 90.83 53.38 05/17/2025 05:24:44 72.71, 90.83 53.38 0.15 18
29 05/17/2025 06:15:46 -72.69,-101.82 126.65 05/17/2025 06:15:26 -72.69,-101.88 126.65 2.10 20
30 05/17/2025 07:06:32 72.71, 65.45 53.36 05/17/2025 07:06:06 72.69, 65.45 53.35 2.31 26
31 05/17/2025 07:57:16 -72.70,-127.20 126.67 05/17/2025 07:56:48 -72.67,-127.26 126.68 3.29 28
32 05/17/2025 08:48:01 72.66, 40.18 53.30 05/17/2025 08:47:28 72.67, 40.08 53.32 3.54 33
33 05/17/2025 09:38:46 -72.70,-152.58 126.68 05/17/2025 09:38:09 -72.71,-152.53 126.67 1.69 37
34 05/17/2025 10:29:31 72.67, 14.80 53.28 05/17/2025 10:28:50 72.66, 14.70 53.28 3.48 41
35 05/17/2025 11:20:16 -72.70,-177.95 126.69 05/17/2025 11:19:31 -72.69,-177.91 126.70 1.91 45
36 05/17/2025 12:11:01 72.67, -10.58 53.27 05/17/2025 12:10:11 72.69, -10.57 53.30 2.44 50
37 05/17/2025 13:01:45 -72.65, 156.77 126.76 05/17/2025 13:00:53 -72.67, 156.71 126.73 2.97 52
38 05/17/2025 13:52:31 72.67, -35.96 53.25 05/17/2025 13:51:33 72.67, -35.95 53.27 0.30 58
39 05/17/2025 14:43:15 -72.65, 131.40 126.78 05/17/2025 14:42:15 -72.65, 131.34 126.76 1.98 60
40 05/17/2025 15:34:01 72.67, -61.33 53.24 05/17/2025 15:32:55 72.65, -61.33 53.23 1.95 66
41 05/17/2025 16:24:45 -72.65, 106.02 126.79 05/17/2025 16:23:37 -72.63, 105.96 126.80 2.89 68
42 05/17/2025 17:15:30 72.62, -86.61 53.17 05/17/2025 17:14:17 72.63, -86.70 53.20 3.58 73
43 05/17/2025 18:06:14 -72.60, 80.75 126.86 05/17/2025 18:04:59 -72.61, 80.58 126.83 5.55 75
44 05/17/2025 18:56:55 72.37,-111.47 52.88 05/17/2025 18:55:44 72.36,-112.59 52.94 37.86 71
45 05/17/2025 19:47:38 -72.30, 55.98 127.20 05/17/2025 19:46:27 -72.29, 54.60 127.13 46.76 71
46 05/17/2025 20:38:19 72.06,-136.25 52.54 05/17/2025 20:37:11 72.09,-138.47 52.68 75.99 68
47 05/17/2025 21:29:02 -72.00, 31.19 127.54 05/17/2025 21:27:55 -71.97, 28.63 127.44 88.20 67

Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 5/16/2025
SNOs_Map_NPP_METOP-C_20250516.jpg

Download SNOs between NPP and METOP-C since TLE EPOCH: 05/16/2025 in txt file.

Historial Predications of SNOs between NPP and METOP-C