Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and METOP-SGA1 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/20/2026
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (METOP-SGA1) Time (METOP-SGA1) Lat,Lon (METOP-SGA1) SZA (METOP-SGA1 ) Distance(km) Time Diff (sec)
1 03/30/2026 01:23:05 73.71, 150.52 70.17 03/30/2026 01:24:13 73.63, 152.76 69.97 70.86 68
2 03/30/2026 02:13:47 -73.63, -41.97 109.94 03/30/2026 02:14:56 -73.59, -40.00 110.08 61.90 69
3 03/30/2026 03:04:29 73.42, 125.83 69.82 03/30/2026 03:05:40 73.37, 126.84 69.71 32.45 71
4 03/30/2026 03:55:11 -73.34, -66.67 110.29 03/30/2026 03:56:24 -73.29, -66.04 110.39 21.00 73
5 03/30/2026 04:45:54 73.17, 101.00 69.52 03/30/2026 04:47:06 73.17, 101.03 69.50 1.39 72
6 03/30/2026 05:36:37 -73.14, -91.61 110.53 03/30/2026 05:37:48 -73.18, -91.62 110.51 3.74 71
7 03/30/2026 06:27:24 73.18, 75.62 69.50 03/30/2026 06:28:28 73.16, 75.67 69.46 3.08 64
8 03/30/2026 07:18:07 -73.15,-117.00 110.55 03/30/2026 07:19:10 -73.17,-116.98 110.55 2.35 63
9 03/30/2026 08:08:53 73.13, 50.34 69.42 03/30/2026 08:09:50 73.15, 50.32 69.43 1.84 57
10 03/30/2026 08:59:37 -73.15,-142.38 110.58 03/30/2026 09:00:32 -73.16,-142.33 110.58 1.69 55
11 03/30/2026 09:50:23 73.14, 24.96 69.40 03/30/2026 09:51:12 73.14, 24.96 69.39 0.13 49
12 03/30/2026 10:41:07 -73.16,-167.77 110.60 03/30/2026 10:41:54 -73.15,-167.69 110.62 2.44 47
13 03/30/2026 11:31:53 73.15, -0.43 69.38 03/30/2026 11:32:34 73.13, -0.40 69.36 1.58 41
14 03/30/2026 12:22:36 -73.11, 166.96 110.67 03/30/2026 12:23:16 -73.14, 166.95 110.65 3.45 40
15 03/30/2026 13:13:23 73.15, -25.81 69.36 03/30/2026 13:13:56 73.12, -25.76 69.32 3.30 33
16 03/30/2026 14:04:06 -73.12, 141.57 110.70 03/30/2026 14:04:38 -73.14, 141.59 110.69 2.04 32
17 03/30/2026 14:54:52 73.11, -51.09 69.28 03/30/2026 14:55:18 73.12, -51.12 69.29 1.63 26
18 03/30/2026 15:45:36 -73.12, 116.19 110.72 03/30/2026 15:46:00 -73.13, 116.23 110.72 1.49 24
19 03/30/2026 16:36:22 73.11, -76.47 69.26 03/30/2026 16:36:40 73.11, -76.48 69.25 0.27 18
20 03/30/2026 17:27:06 -73.13, 90.80 110.74 03/30/2026 17:27:22 -73.12, 90.87 110.75 2.47 16
21 03/30/2026 18:17:52 73.12,-101.86 69.24 03/30/2026 18:18:02 73.10,-101.84 69.22 1.84 10
22 03/30/2026 19:08:35 -73.08, 65.53 110.82 03/30/2026 19:08:44 -73.11, 65.51 110.79 3.15 9
23 03/30/2026 19:59:21 73.07,-127.13 69.16 03/30/2026 19:59:24 73.09,-127.19 69.18 3.12 3
24 03/30/2026 20:50:05 -73.09, 40.14 110.84 03/30/2026 20:50:06 -73.10, 40.16 110.82 1.72 1
25 03/30/2026 21:40:51 73.08,-152.52 69.14 03/30/2026 21:40:46 73.08,-152.55 69.15 1.45 5
26 03/30/2026 22:31:35 -73.10, 14.76 110.86 03/30/2026 22:31:28 -73.10, 14.80 110.86 1.35 7
27 03/30/2026 23:22:21 73.08,-177.90 69.12 03/30/2026 23:22:08 73.08,-177.91 69.11 0.61 13
28 03/31/2026 00:13:05 -73.10, -10.63 110.88 03/31/2026 00:12:50 -73.09, -10.56 110.89 2.55 15
29 03/31/2026 01:03:51 73.09, 156.71 69.09 03/31/2026 01:03:30 73.07, 156.73 69.08 2.14 21
30 03/31/2026 01:54:34 -73.06, -35.90 110.96 03/31/2026 01:54:12 -73.08, -35.92 110.93 2.85 22
31 03/31/2026 02:45:20 73.04, 131.43 69.02 03/31/2026 02:44:52 73.06, 131.37 69.04 2.91 28
32 03/31/2026 03:36:04 -73.06, -61.29 110.98 03/31/2026 03:35:34 -73.07, -61.28 110.96 1.40 30
33 03/31/2026 04:26:50 73.05, 106.05 69.00 03/31/2026 04:26:14 73.05, 106.01 69.01 1.32 36
34 03/31/2026 05:17:34 -73.07, -86.67 111.00 03/31/2026 05:16:56 -73.06, -86.64 111.00 1.29 38
35 03/31/2026 06:08:20 73.05, 80.66 68.97 03/31/2026 06:07:36 73.04, 80.65 68.97 0.97 44
36 03/31/2026 06:59:04 -73.07,-112.06 111.02 03/31/2026 06:58:18 -73.06,-111.99 111.03 2.69 46
37 03/31/2026 07:49:50 73.06, 55.28 68.95 03/31/2026 07:48:58 73.04, 55.30 68.94 2.47 52
38 03/31/2026 08:40:33 -73.03,-137.34 111.10 03/31/2026 08:39:40 -73.05,-137.35 111.07 2.53 53
39 03/31/2026 09:31:19 73.01, 30.00 68.88 03/31/2026 09:30:20 73.03, 29.94 68.90 2.72 59
40 03/31/2026 10:22:03 -73.03,-162.72 111.12 03/31/2026 10:21:02 -73.04,-162.71 111.10 1.07 61
41 03/31/2026 11:12:49 73.02, 4.62 68.85 03/31/2026 11:11:42 73.02, 4.58 68.87 1.26 67
42 03/31/2026 12:03:33 -73.04, 171.89 111.14 03/31/2026 12:02:24 -73.03, 171.93 111.14 1.33 69
43 03/31/2026 12:54:19 73.02, -20.77 68.83 03/31/2026 12:53:04 73.01, -20.78 68.84 1.33 75
44 03/31/2026 13:45:02 -72.99, 146.62 111.22 03/31/2026 13:43:47 -72.97, 146.47 111.22 5.30 75
45 03/31/2026 14:35:43 72.72, -45.51 68.48 03/31/2026 14:34:32 72.70, -46.77 68.53 41.93 71
46 03/31/2026 15:26:25 -72.70, 121.87 111.57 03/31/2026 15:25:14 -72.66, 120.48 111.52 46.34 71
47 03/31/2026 16:17:06 72.43, -70.27 68.13 03/31/2026 16:15:58 72.43, -72.65 68.27 79.79 68
48 03/31/2026 17:07:49 -72.40, 97.11 111.92 03/31/2026 17:06:41 -72.40, 94.61 111.78 84.01 68

Figure of NPP and METOP-SGA1 satellite orbits during SNOs since TLE Epoch: 3/20/2026
SNOs_Map_NPP_METOP-SGA1_20260320.jpg

Download SNOs between NPP and METOP-SGA1 since TLE EPOCH: 03/20/2026 in txt file.

Historial Predications of SNOs between NPP and METOP-SGA1