Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/25/2017
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 11/26/2017 23:33:58 81.29, 123.47 106.55 11/26/2017 23:32:43 81.29, 123.43 106.59 0.73 75
2 11/27/2017 00:24:12 -81.02, -59.46 74.80 11/27/2017 00:23:02 -81.02, -59.33 74.78 2.25 70
3 11/27/2017 01:15:22 81.31, 96.50 106.78 11/27/2017 01:14:17 81.31, 96.43 106.83 1.15 65
4 11/27/2017 02:05:27 -80.94, -83.03 75.04 11/27/2017 02:04:27 -80.94, -82.93 75.02 1.78 60
5 11/27/2017 02:56:48 81.33, 68.73 107.12 11/27/2017 02:55:53 81.33, 68.65 107.16 1.56 55
6 11/27/2017 03:46:42 -80.86,-106.63 75.28 11/27/2017 03:45:52 -80.86,-106.56 75.27 1.29 50
7 11/27/2017 04:38:21 81.32, 38.19 107.83 11/27/2017 04:37:36 81.31, 38.10 107.87 1.94 45
8 11/27/2017 05:27:56 -80.74,-129.92 75.58 11/27/2017 05:27:16 -80.74,-129.88 75.56 0.78 40
9 11/27/2017 06:20:05 81.12, 3.50 109.12 11/27/2017 06:19:30 81.10, 3.41 109.15 2.25 35
10 11/27/2017 07:09:12 -80.66,-153.94 75.76 11/27/2017 07:08:42 -80.66,-153.92 75.75 0.27 30
11 11/27/2017 07:57:48 76.15, 43.64 97.63 11/27/2017 07:57:22 76.15, 43.73 97.62 2.40 26
12 11/27/2017 08:50:35 -80.73, 179.65 75.58 11/27/2017 08:50:15 -80.73, 179.63 75.57 0.25 20
13 11/27/2017 09:38:21 73.91, 24.79 95.14 11/27/2017 09:38:05 73.91, 24.84 95.14 1.39 16
14 11/27/2017 10:32:26 -81.21, 142.92 73.93 11/27/2017 10:32:16 -81.21, 142.90 73.92 0.69 10
15 11/27/2017 11:19:14 72.56, 2.45 93.72 11/27/2017 11:19:08 72.56, 2.45 93.72 0.16 6
16 11/27/2017 12:04:05 -53.46,-171.61 104.72 11/27/2017 12:04:04 -53.46,-171.61 104.72 0.02 1
17 11/27/2017 13:10:13 69.19,-152.64 124.11 11/27/2017 13:10:18 69.19,-152.64 124.11 0.12 5
18 11/27/2017 13:57:28 -78.96, 43.25 66.45 11/27/2017 13:57:38 -78.96, 43.26 66.46 0.27 10
19 11/27/2017 14:51:14 70.19,-176.50 123.17 11/27/2017 14:51:29 70.19,-176.54 123.17 1.42 15
20 11/27/2017 15:38:50 -78.88, 17.39 66.33 11/27/2017 15:39:10 -78.88, 17.37 66.34 0.45 20
21 11/27/2017 16:26:39 80.81,-115.83 104.70 11/27/2017 16:27:03 80.80,-115.79 104.68 1.75 24
22 11/27/2017 17:19:51 -79.53, -3.10 67.29 11/27/2017 17:20:21 -79.53, -3.16 67.30 1.13 30
23 11/27/2017 18:08:38 81.30,-155.90 106.79 11/27/2017 18:09:12 81.29,-155.83 106.76 1.53 34
24 11/27/2017 19:00:53 -80.08, -23.31 68.21 11/27/2017 19:01:33 -80.08, -23.40 68.22 1.73 40
25 11/27/2017 19:50:17 81.33, 171.20 107.82 11/27/2017 19:51:01 81.32, 171.26 107.78 1.17 44
26 11/27/2017 20:41:59 -80.45, -44.30 68.92 11/27/2017 20:42:49 -80.45, -44.42 68.93 2.28 50
27 11/27/2017 21:31:47 81.28, 141.87 108.37 11/27/2017 21:32:41 81.28, 141.91 108.33 0.76 54
28 11/27/2017 22:23:09 -80.68, -66.35 69.42 11/27/2017 22:24:09 -80.68, -66.51 69.44 2.81 60
29 11/27/2017 23:13:11 81.25, 114.92 108.60 11/27/2017 23:14:15 81.25, 114.93 108.56 0.33 64
30 11/28/2017 00:03:27 -81.33, -68.42 72.65 11/28/2017 00:04:36 -81.33, -68.25 72.72 3.03 69

Figure of NOAA-20 and NPP satellite orbits during SNOs since TLE Epoch: 11/25/2017
SNOs_Map_NOAA-20_NPP_20171125.jpg

Download SNOs between NOAA-20 and NPP since TLE EPOCH: 11/25/2017 in txt file.

Historical Predications of SNOs between NOAA-20 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service