Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2025
Index Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/20/2025 03:50:30 74.11, 111.49 62.73 04/20/2025 03:49:47 74.13, 111.45 62.77 2.44 43
2 04/20/2025 04:41:12 -74.09, -81.23 117.30 04/20/2025 04:40:30 -74.09, -81.13 117.30 3.07 42
3 04/20/2025 05:31:52 74.09, 86.10 62.69 04/20/2025 05:31:16 74.08, 86.20 62.68 3.22 36
4 04/20/2025 06:22:33 -74.12,-106.50 117.30 04/20/2025 06:22:00 -74.09,-106.51 117.32 3.73 33
5 04/20/2025 07:13:14 74.08, 60.72 62.66 04/20/2025 07:12:46 74.08, 60.83 62.66 3.23 28
6 04/20/2025 08:03:55 -74.10,-131.88 117.34 04/20/2025 08:03:30 -74.09,-131.88 117.35 1.88 25
7 04/20/2025 08:54:35 74.11, 35.46 62.66 04/20/2025 08:54:16 74.08, 35.45 62.63 3.24 19
8 04/20/2025 09:45:17 -74.09,-157.26 117.38 04/20/2025 09:45:00 -74.09,-157.25 117.37 0.42 17
9 04/20/2025 10:35:57 74.09, 10.07 62.62 04/20/2025 10:35:46 74.08, 10.08 62.61 1.37 11
10 04/20/2025 11:26:39 -74.07, 177.35 117.41 04/20/2025 11:26:30 -74.09, 177.38 117.40 1.95 9
11 04/20/2025 12:17:19 74.07, -15.31 62.58 04/20/2025 12:17:16 74.08, -15.29 62.58 0.76 3
12 04/20/2025 13:08:00 -74.10, 152.09 117.41 04/20/2025 13:08:00 -74.09, 152.00 117.42 3.16 0
13 04/20/2025 13:58:41 74.05, -40.69 62.54 04/20/2025 13:58:46 74.08, -40.67 62.56 2.58 5
14 04/20/2025 14:49:22 -74.08, 126.70 117.45 04/20/2025 14:49:30 -74.08, 126.63 117.45 2.23 8
15 04/20/2025 15:40:02 74.09, -65.96 62.54 04/20/2025 15:40:16 74.08, -66.04 62.53 2.73 14
16 04/20/2025 16:30:44 -74.07, 101.32 117.49 04/20/2025 16:31:00 -74.08, 101.26 117.47 2.65 16
17 04/20/2025 17:21:24 74.07, -91.34 62.50 04/20/2025 17:21:46 74.07, -91.41 62.51 2.21 22
18 04/20/2025 18:12:06 -74.05, 75.94 117.53 04/20/2025 18:12:29 -74.03, 76.01 117.55 2.78 23
19 04/20/2025 19:02:46 74.05,-116.73 62.47 04/20/2025 19:03:16 74.07,-116.78 62.48 3.12 30
20 04/20/2025 19:53:28 -74.03, 50.55 117.57 04/20/2025 19:53:59 -74.03, 50.64 117.58 2.50 31
21 04/20/2025 20:44:08 74.03,-142.11 62.43 04/20/2025 20:44:45 74.02,-142.03 62.40 2.52 37
22 04/20/2025 21:34:50 -74.01, 25.17 117.61 04/20/2025 21:35:29 -74.03, 25.26 117.60 3.45 39
23 04/20/2025 22:25:30 74.02,-167.49 62.39 04/20/2025 22:26:15 74.02,-167.41 62.38 2.79 45
24 04/20/2025 23:16:11 -74.05, -0.09 117.60 04/20/2025 23:16:59 -74.03, -0.11 117.63 1.75 48
25 04/21/2025 00:06:51 74.05, 167.24 62.39 04/21/2025 00:07:45 74.02, 167.22 62.35 2.82 54
26 04/21/2025 00:57:33 -74.03, -25.48 117.64 04/21/2025 00:58:29 -74.03, -25.48 117.65 0.24 56
27 04/21/2025 01:48:13 74.03, 141.86 62.35 04/21/2025 01:49:15 74.02, 141.85 62.33 0.91 62
28 04/21/2025 02:38:55 -74.01, -50.86 117.68 04/21/2025 02:39:59 -74.03, -50.85 117.68 2.05 64
29 04/21/2025 03:29:35 74.01, 116.47 62.31 04/21/2025 03:30:45 74.02, 116.47 62.30 1.07 70
30 04/21/2025 04:20:16 -74.04, -76.12 117.68 04/21/2025 04:21:29 -74.03, -76.23 117.70 3.53 73
31 04/21/2025 05:11:00 73.84, 90.74 62.15 04/21/2025 05:12:12 73.87, 91.46 62.12 22.72 72
32 04/21/2025 06:01:43 -73.78,-102.10 117.93 04/21/2025 06:02:55 -73.83,-101.12 117.95 30.87 72
33 04/21/2025 06:52:28 73.53, 64.66 61.85 04/21/2025 06:53:36 73.57, 66.80 61.76 67.45 68
34 04/21/2025 07:43:11 -73.46,-128.16 118.22 04/21/2025 07:44:18 -73.48,-125.68 118.36 78.58 67

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_METOP-B_NPP_20250420.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 04/20/2025 in txt file.

Historial Predications of SNOs between METOP-B and NPP