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: 11/26/2017
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 23:33:59 81.30, 123.16 106.59 11/26/2017 23:32:44 81.30, 123.11 106.64 0.79 75
2 11/27/2017 00:24:13 -81.03, -59.76 74.76 11/27/2017 00:23:03 -81.03, -59.63 74.74 2.09 70
3 11/27/2017 01:15:22 81.31, 96.58 106.77 11/27/2017 01:14:17 81.31, 96.51 106.81 1.22 65
4 11/27/2017 02:05:29 -80.97, -83.68 74.94 11/27/2017 02:04:29 -80.97, -83.59 74.93 1.61 60
5 11/27/2017 02:56:49 81.33, 68.42 107.16 11/27/2017 02:55:54 81.33, 68.33 107.20 1.63 55
6 11/27/2017 03:46:44 -80.89,-107.27 75.19 11/27/2017 03:45:54 -80.89,-107.21 75.17 1.13 50
7 11/27/2017 04:38:22 81.32, 37.89 107.87 11/27/2017 04:37:37 81.31, 37.79 107.91 2.01 45
8 11/27/2017 05:27:59 -80.80,-130.89 75.43 11/27/2017 05:27:19 -80.80,-130.86 75.41 0.63 40
9 11/27/2017 06:20:07 81.10, 2.83 109.21 11/27/2017 06:19:32 81.08, 2.74 109.24 2.32 35
10 11/27/2017 07:09:17 -80.76,-155.58 75.51 11/27/2017 07:08:47 -80.76,-155.58 75.50 0.12 30
11 11/27/2017 07:57:51 76.28, 43.19 97.77 11/27/2017 07:57:25 76.28, 43.28 97.77 2.34 26
12 11/27/2017 08:50:43 -80.88, 176.92 75.17 11/27/2017 08:50:23 -80.88, 176.90 75.16 0.38 20
13 11/27/2017 09:38:26 74.15, 24.21 95.40 11/27/2017 09:38:10 74.15, 24.25 95.40 1.33 16
14 11/27/2017 10:32:39 -81.30, 137.97 73.26 11/27/2017 10:32:29 -81.30, 137.94 73.25 0.78 10
15 11/27/2017 11:19:21 72.91, 1.73 94.08 11/27/2017 11:19:15 72.91, 1.74 94.08 0.12 6
16 11/27/2017 12:04:21 -54.36,-172.08 103.89 11/27/2017 12:04:20 -54.36,-172.08 103.89 0.04 1
17 11/27/2017 13:10:20 68.83,-153.14 124.46 11/27/2017 13:10:25 68.83,-153.14 124.45 0.12 5
18 11/27/2017 13:57:45 -78.32, 39.35 65.58 11/27/2017 13:57:55 -78.32, 39.35 65.59 0.20 10
19 11/27/2017 14:51:21 69.83,-177.05 123.52 11/27/2017 14:51:36 69.83,-177.08 123.51 1.45 15
20 11/27/2017 15:39:01 -78.47, 14.87 65.76 11/27/2017 15:39:21 -78.47, 14.84 65.78 0.57 20
21 11/27/2017 16:26:44 80.90,-117.53 104.96 11/27/2017 16:27:08 80.89,-117.49 104.93 1.70 24
22 11/27/2017 17:19:58 -79.31, -4.91 66.94 11/27/2017 17:20:28 -79.31, -4.97 66.95 1.27 30
23 11/27/2017 18:08:42 81.32,-157.38 106.99 11/27/2017 18:09:16 81.31,-157.32 106.96 1.46 34
24 11/27/2017 19:00:58 -79.94, -24.74 67.96 11/27/2017 19:01:38 -79.94, -24.84 67.97 1.89 40
25 11/27/2017 19:50:20 81.32, 170.10 107.96 11/27/2017 19:51:04 81.31, 170.16 107.93 1.10 44
26 11/27/2017 20:42:03 -80.35, -45.52 68.72 11/27/2017 20:42:53 -80.35, -45.65 68.73 2.45 50
27 11/27/2017 21:31:48 81.27, 141.18 108.46 11/27/2017 21:32:42 81.27, 141.21 108.42 0.68 54
28 11/27/2017 22:23:10 -80.64, -66.96 69.33 11/27/2017 22:24:10 -80.64, -67.12 69.34 2.98 60
29 11/27/2017 23:13:12 81.23, 114.23 108.69 11/27/2017 23:14:16 81.23, 114.24 108.65 0.24 64
30 11/28/2017 00:03:28 -81.33, -69.12 72.56 11/28/2017 00:04:37 -81.33, -68.96 72.62 2.85 69

Figure of NOAA-20 and NPP satellite orbits during SNOs since TLE Epoch: 11/26/2017
SNOs_Map_NOAA-20_NPP_20171126.jpg

Download SNOs between NOAA-20 and NPP since TLE EPOCH: 11/26/2017 in txt file.

Historical Predications of SNOs between NOAA-20 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service