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: 1/22/2021
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 01/24/2021 17:27:36 73.45, -88.50 92.60 01/24/2021 17:26:29 73.44, -91.34 92.76 90.12 67
2 01/24/2021 18:18:20 -73.35, 78.61 87.50 01/24/2021 18:17:12 -73.38, 76.10 87.32 79.85 68
3 01/24/2021 19:09:04 73.13,-114.56 92.30 01/24/2021 19:07:53 73.14,-116.06 92.41 48.47 71
4 01/24/2021 19:59:47 -73.08, 52.67 87.75 01/24/2021 19:58:36 -73.09, 51.38 87.67 41.76 71
5 01/24/2021 20:50:31 72.85,-140.48 92.04 01/24/2021 20:49:17 72.84,-140.79 92.07 10.23 74
6 01/24/2021 21:41:15 -72.76, 26.65 88.06 01/24/2021 21:40:00 -72.79, 26.64 88.01 3.42 75
7 01/24/2021 22:31:54 72.78,-165.97 91.96 01/24/2021 22:30:45 72.75,-165.97 91.94 3.38 69
8 01/24/2021 23:22:37 -72.74, 1.26 88.09 01/24/2021 23:21:29 -72.74, 1.36 88.08 3.29 68
9 01/25/2021 00:13:16 72.76, 168.64 91.92 01/25/2021 00:12:15 72.75, 168.65 91.93 0.45 61
10 01/25/2021 01:03:58 -72.77, -24.02 88.09 01/25/2021 01:02:59 -72.75, -24.03 88.09 1.95 59
11 01/25/2021 01:54:38 72.73, 143.26 91.88 01/25/2021 01:53:45 72.76, 143.26 91.92 2.61 53
12 01/25/2021 02:45:20 -72.74, -49.40 88.12 01/25/2021 02:44:29 -72.75, -49.41 88.10 1.05 51
13 01/25/2021 03:35:59 72.76, 117.98 91.89 01/25/2021 03:35:15 72.76, 117.88 91.91 3.23 44
14 01/25/2021 04:26:42 -72.72, -74.79 88.16 01/25/2021 04:25:58 -72.71, -74.69 88.17 3.58 44
15 01/25/2021 05:17:21 72.74, 92.59 91.86 01/25/2021 05:16:44 72.72, 92.60 91.84 2.73 37
16 01/25/2021 06:08:04 -72.70,-100.17 88.19 01/25/2021 06:07:28 -72.71,-100.07 88.18 3.42 36
17 01/25/2021 06:58:43 72.72, 67.21 91.82 01/25/2021 06:58:14 72.72, 67.21 91.83 0.36 29
18 01/25/2021 07:49:25 -72.73,-125.45 88.19 01/25/2021 07:48:58 -72.72,-125.46 88.19 1.42 27
19 01/25/2021 08:40:05 72.70, 41.82 91.78 01/25/2021 08:39:44 72.73, 41.83 91.82 3.28 21
20 01/25/2021 09:30:47 -72.71,-150.83 88.22 01/25/2021 09:30:28 -72.72,-150.84 88.20 1.60 19
21 01/25/2021 10:21:26 72.73, 16.54 91.79 01/25/2021 10:21:14 72.73, 16.44 91.81 3.28 12
22 01/25/2021 11:12:08 -72.69,-176.22 88.26 01/25/2021 11:11:56 -72.68,-176.12 88.27 3.32 12
23 01/25/2021 12:02:47 72.71, -8.84 91.76 01/25/2021 12:02:42 72.69, -8.84 91.74 2.07 5
24 01/25/2021 12:53:30 -72.66, 158.40 88.29 01/25/2021 12:53:26 -72.68, 158.49 88.28 3.62 4
25 01/25/2021 13:44:09 72.68, -34.23 91.72 01/25/2021 13:44:12 72.69, -34.22 91.73 0.97 3
26 01/25/2021 14:34:51 -72.69, 133.12 88.29 01/25/2021 14:34:56 -72.69, 133.11 88.29 0.90 5
27 01/25/2021 15:25:30 72.71, -59.51 91.73 01/25/2021 15:25:42 72.70, -59.61 91.71 3.66 12
28 01/25/2021 16:16:13 -72.67, 107.73 88.32 01/25/2021 16:16:26 -72.69, 107.72 88.31 2.16 13
29 01/25/2021 17:06:52 72.69, -84.89 91.69 01/25/2021 17:07:12 72.70, -84.99 91.70 3.48 20
30 01/25/2021 17:57:35 -72.65, 82.35 88.36 01/25/2021 17:57:55 -72.65, 82.44 88.37 3.11 20
31 01/25/2021 18:48:14 72.67,-110.28 91.65 01/25/2021 18:48:41 72.66,-110.27 91.63 1.40 27
32 01/25/2021 19:38:56 -72.68, 57.07 88.35 01/25/2021 19:39:25 -72.65, 57.06 88.39 3.25 29
33 01/25/2021 20:29:36 72.65,-135.66 91.62 01/25/2021 20:30:11 72.66,-135.66 91.62 1.63 35
34 01/25/2021 21:20:18 -72.66, 31.68 88.39 01/25/2021 21:20:55 -72.66, 31.67 88.40 0.50 37
35 01/25/2021 22:10:57 72.68,-160.94 91.62 01/25/2021 22:11:41 72.67,-161.04 91.61 3.42 44
36 01/25/2021 23:01:40 -72.64, 6.30 88.42 01/25/2021 23:02:25 -72.66, 6.29 88.41 2.72 45
37 01/25/2021 23:52:19 72.65, 173.67 91.59 01/25/2021 23:53:10 72.62, 173.68 91.54 3.72 51
38 01/26/2021 00:43:02 -72.61, -19.08 88.46 01/26/2021 00:43:54 -72.61, -18.99 88.48 2.98 52
39 01/26/2021 01:33:41 72.63, 148.29 91.55 01/26/2021 01:34:40 72.63, 148.29 91.53 0.73 59
40 01/26/2021 02:24:23 -72.64, -44.36 88.45 01/26/2021 02:25:24 -72.62, -44.38 88.49 2.71 61
41 01/26/2021 03:15:03 72.61, 122.90 91.51 01/26/2021 03:16:10 72.63, 122.91 91.52 2.29 67
42 01/26/2021 04:05:45 -72.62, -69.75 88.49 01/26/2021 04:06:54 -72.62, -69.76 88.50 0.58 69
43 01/26/2021 04:56:26 72.54, 97.42 91.43 01/26/2021 04:57:39 72.58, 97.63 91.45 8.81 73
44 01/26/2021 05:47:09 -72.50, -95.34 88.61 01/26/2021 05:48:22 -72.53, -94.94 88.63 13.60 73
45 01/26/2021 06:37:53 72.26, 71.53 91.17 01/26/2021 06:39:03 72.28, 72.85 91.10 45.04 70
46 01/26/2021 07:28:36 -72.22,-121.22 88.87 01/26/2021 07:29:46 -72.23,-119.72 88.97 50.95 70
47 01/26/2021 08:19:21 71.93, 45.56 90.87 01/26/2021 08:20:27 71.98, 48.06 90.76 86.53 66
48 01/26/2021 09:10:04 -71.89,-147.19 89.18 01/26/2021 09:11:10 -71.93,-144.52 89.32 92.21 66

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 1/22/2021
SNOs_Map_METOP-B_NPP_20210122.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 01/22/2021 in txt file.

Historial Predications of SNOs between METOP-B and NPP