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: 4/20/2018
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 04/21/2018 00:00:10 -73.22, -9.25 118.42 04/20/2018 23:59:57 -73.24, -9.26 118.39 2.63 13
2 04/21/2018 00:50:49 73.24, 158.12 61.59 04/21/2018 00:50:43 73.26, 158.03 61.61 3.54 6
3 04/21/2018 01:41:31 -73.25, -34.54 118.42 04/21/2018 01:41:27 -73.25, -34.64 118.41 3.26 4
4 04/21/2018 02:32:11 73.21, 132.72 61.54 04/21/2018 02:32:12 73.21, 132.75 61.54 1.07 1
5 04/21/2018 03:22:53 -73.22, -59.94 118.47 04/21/2018 03:22:56 -73.20, -59.92 118.49 1.92 3
6 04/21/2018 04:13:32 73.24, 107.43 61.54 04/21/2018 04:13:42 73.21, 107.37 61.52 3.16 10
7 04/21/2018 05:04:15 -73.19, -85.34 118.52 04/21/2018 05:04:26 -73.21, -85.30 118.51 1.98 11
8 04/21/2018 05:54:54 73.21, 82.04 61.49 04/21/2018 05:55:12 73.22, 81.99 61.50 1.91 18
9 04/21/2018 06:45:36 -73.22,-110.62 118.52 04/21/2018 06:45:56 -73.21,-110.68 118.53 2.02 20
10 04/21/2018 07:36:16 73.18, 56.64 61.44 04/21/2018 07:36:41 73.17, 56.71 61.42 2.64 25
11 04/21/2018 08:26:58 -73.19,-136.02 118.57 04/21/2018 08:27:26 -73.22,-136.07 118.55 3.17 28
12 04/21/2018 09:17:36 73.21, 31.35 61.44 04/21/2018 09:18:10 73.18, 31.33 61.40 3.45 34
13 04/21/2018 10:08:19 -73.16,-161.42 118.62 04/21/2018 10:08:54 -73.17,-161.34 118.62 2.53 35
14 04/21/2018 10:58:58 73.18, 5.95 61.39 04/21/2018 10:59:40 73.18, 5.94 61.38 0.30 42
15 04/21/2018 11:49:40 -73.19, 173.30 118.62 04/21/2018 11:50:24 -73.17, 173.28 118.64 1.73 44
16 04/21/2018 12:40:20 73.15, -19.44 61.34 04/21/2018 12:41:10 73.19, -19.44 61.36 3.47 50
17 04/21/2018 13:31:02 -73.16, 147.90 118.67 04/21/2018 13:31:54 -73.18, 147.89 118.66 1.79 52
18 04/21/2018 14:21:41 73.18, -44.73 61.34 04/21/2018 14:22:40 73.19, -44.82 61.35 3.23 59
19 04/21/2018 15:12:23 -73.19, 122.61 118.67 04/21/2018 15:13:24 -73.18, 122.51 118.68 3.33 61
20 04/21/2018 16:03:03 73.15, -70.13 61.29 04/21/2018 16:04:09 73.14, -70.10 61.27 1.35 66
21 04/21/2018 16:53:45 -73.16, 97.21 118.71 04/21/2018 16:54:53 -73.14, 97.23 118.75 2.70 68
22 04/21/2018 17:44:25 73.13, -95.52 61.25 04/21/2018 17:45:39 73.15, -95.48 61.25 2.89 74
23 04/21/2018 18:35:09 -73.03, 71.60 118.85 04/21/2018 18:36:22 -73.09, 71.96 118.83 13.25 73
24 04/21/2018 19:25:53 72.79,-121.56 60.93 04/21/2018 19:27:03 72.85,-120.21 60.90 44.67 70
25 04/21/2018 20:16:36 -72.75, 45.68 119.12 04/21/2018 20:17:46 -72.79, 47.22 119.18 50.92 70
26 04/21/2018 21:07:20 72.51,-147.47 60.66 04/21/2018 21:08:27 72.55,-144.97 60.55 83.67 67
27 04/21/2018 21:58:04 -72.42, 19.67 119.43 04/21/2018 21:59:10 -72.49, 22.46 119.52 93.73 66

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2018
SNOs_Map_METOP-A_NPP_20180421.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 04/20/2018 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service