Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/20/2021
Index Date (METOP-A) Time (METOP-A) Lat,Lon (METOP-A) SZA (METOP-A ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 10/20/2021 01:32:23 77.20, 136.08 88.04 10/20/2021 01:31:23 77.21, 136.13 88.07 1.97 60
2 10/20/2021 02:23:04 -77.22, -56.51 91.93 10/20/2021 02:22:07 -77.19, -56.47 91.95 3.23 57
3 10/20/2021 03:13:44 77.22, 110.83 88.09 10/20/2021 03:12:53 77.21, 110.76 88.09 2.06 51
4 10/20/2021 04:04:26 -77.20, -81.94 91.92 10/20/2021 04:03:37 -77.19, -81.85 91.92 2.40 49
5 10/20/2021 04:55:06 77.20, 85.40 88.10 10/20/2021 04:54:23 77.21, 85.38 88.12 1.25 43
6 10/20/2021 05:45:47 -77.22,-107.19 91.88 10/20/2021 05:45:07 -77.19,-107.22 91.90 3.43 40
7 10/20/2021 06:36:27 77.22, 60.15 88.14 10/20/2021 06:35:53 77.21, 60.01 88.14 3.68 34
8 10/20/2021 07:27:09 -77.20,-132.61 91.87 10/20/2021 07:26:37 -77.19,-132.59 91.87 1.16 32
9 10/20/2021 08:17:49 77.20, 34.72 88.15 10/20/2021 08:17:23 77.21, 34.64 88.17 2.27 26
10 10/20/2021 09:08:31 -77.18,-158.04 91.86 10/20/2021 09:08:07 -77.19,-157.96 91.85 2.34 24
11 10/20/2021 09:59:11 77.18, 9.29 88.16 10/20/2021 09:58:53 77.21, 9.26 88.19 3.40 18
12 10/20/2021 10:49:52 -77.20, 176.71 91.82 10/20/2021 10:49:37 -77.19, 176.66 91.83 1.69 15
13 10/20/2021 11:40:32 77.20, -15.96 88.20 10/20/2021 11:40:23 77.21, -16.11 88.22 3.84 9
14 10/20/2021 12:31:14 -77.18, 151.28 91.81 10/20/2021 12:31:07 -77.19, 151.29 91.80 1.11 7
15 10/20/2021 13:21:54 77.18, -41.38 88.21 10/20/2021 13:21:52 77.17, -41.30 88.19 2.75 2
16 10/20/2021 14:12:35 -77.20, 126.03 91.77 10/20/2021 14:12:37 -77.19, 125.92 91.78 3.21 2
17 10/20/2021 15:03:16 77.16, -66.81 88.22 10/20/2021 15:03:22 77.17, -66.67 88.21 3.59 6
18 10/20/2021 15:53:56 -77.18, 100.60 91.76 10/20/2021 15:54:06 -77.19, 100.54 91.75 1.72 10
19 10/20/2021 16:44:36 77.18, -92.06 88.26 10/20/2021 16:44:51 77.17, -92.04 88.24 1.96 15
20 10/20/2021 17:35:18 -77.16, 75.18 91.75 10/20/2021 17:35:36 -77.19, 75.17 91.73 3.19 18
21 10/20/2021 18:25:58 77.16,-117.49 88.27 10/20/2021 18:26:21 77.17,-117.42 88.26 1.87 23
22 10/20/2021 19:16:39 -77.18, 49.93 91.71 10/20/2021 19:17:06 -77.19, 49.80 91.70 3.26 27
23 10/20/2021 20:07:19 77.18,-142.74 88.31 10/20/2021 20:07:51 77.17,-142.79 88.29 2.47 32
24 10/20/2021 20:58:01 -77.16, 24.50 91.70 10/20/2021 20:58:35 -77.15, 24.61 91.73 3.25 34
25 10/20/2021 21:48:41 77.16,-168.17 88.32 10/20/2021 21:49:21 77.17,-168.16 88.31 0.25 40
26 10/20/2021 22:39:23 -77.14, -0.93 91.69 10/20/2021 22:40:05 -77.15, -0.77 91.71 4.07 42
27 10/20/2021 23:30:03 77.14, 166.40 88.33 10/20/2021 23:30:51 77.17, 166.46 88.33 2.97 48
28 10/21/2021 00:20:44 -77.16, -26.18 91.65 10/21/2021 00:21:35 -77.15, -26.14 91.68 2.28 51
29 10/21/2021 01:11:24 77.16, 141.15 88.37 10/21/2021 01:12:21 77.16, 141.09 88.36 1.61 57
30 10/21/2021 02:02:06 -77.14, -51.61 91.64 10/21/2021 02:03:05 -77.15, -51.51 91.66 2.34 59
31 10/21/2021 02:52:46 77.14, 115.73 88.38 10/21/2021 02:53:51 77.16, 115.72 88.38 2.38 65
32 10/21/2021 03:43:27 -77.17, -76.86 91.60 10/21/2021 03:44:35 -77.14, -76.89 91.63 2.41 68
33 10/21/2021 04:34:07 77.17, 90.48 88.42 10/21/2021 04:35:21 77.16, 90.34 88.41 3.33 74
34 10/21/2021 05:24:51 -77.06,-102.64 91.65 10/21/2021 05:26:04 -77.10,-102.08 91.66 14.86 73
35 10/21/2021 06:15:36 76.83, 63.83 88.21 10/21/2021 06:16:44 76.86, 66.23 88.06 60.98 68
36 10/21/2021 07:06:20 -76.72,-129.26 91.86 10/21/2021 07:07:26 -76.75,-126.03 92.06 82.53 66

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 10/20/2021
SNOs_Map_METOP-A_NPP_20211020.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 10/20/2021 in txt file.

Historial Predications of SNOs between METOP-A and NPP