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: 4/14/2017
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 04/27/2017 18:18:32 73.58,-101.31 59.52 04/27/2017 18:17:26 73.59,-104.36 59.67 95.81 66
2 04/27/2017 19:09:16 -73.50, 65.82 120.57 04/27/2017 19:08:08 -73.47, 63.23 120.47 82.20 68
3 04/27/2017 20:00:00 73.26,-127.38 59.21 04/27/2017 19:58:50 73.29,-129.06 59.33 54.02 70
4 04/27/2017 20:50:44 -73.18, 39.77 120.89 04/27/2017 20:49:32 -73.18, 38.51 120.82 40.37 72
5 04/27/2017 21:41:27 72.98,-153.31 58.93 04/27/2017 21:40:14 72.99,-153.78 58.98 15.47 73
6 04/27/2017 22:32:11 -72.90, 13.84 121.16 04/27/2017 22:30:56 -72.88, 13.78 121.16 3.28 75
7 04/27/2017 23:22:51 72.86,-178.91 58.80 04/27/2017 23:21:41 72.85,-178.85 58.80 2.55 70
8 04/28/2017 00:13:33 -72.88, -11.55 121.20 04/28/2017 00:12:26 -72.88, -11.61 121.18 2.02 67
9 04/28/2017 01:04:13 72.84, 155.70 58.76 04/28/2017 01:03:11 72.85, 155.77 58.78 2.65 62
10 04/28/2017 01:54:55 -72.86, -36.93 121.24 04/28/2017 01:53:55 -72.84, -36.88 121.25 2.79 60
11 04/28/2017 02:45:34 72.87, 130.42 58.76 04/28/2017 02:44:41 72.86, 130.39 58.76 1.72 53
12 04/28/2017 03:36:17 -72.84, -62.32 121.28 04/28/2017 03:35:25 -72.84, -62.27 121.27 1.73 52
13 04/28/2017 04:26:56 72.84, 105.04 58.72 04/28/2017 04:26:11 72.86, 105.00 58.74 2.08 45
14 04/28/2017 05:17:38 -72.86, -87.60 121.28 04/28/2017 05:16:55 -72.85, -87.65 121.29 2.75 43
15 04/28/2017 06:08:18 72.82, 79.65 58.68 04/28/2017 06:07:40 72.81, 79.73 58.67 2.58 38
16 04/28/2017 06:59:00 -72.84,-112.98 121.32 04/28/2017 06:58:25 -72.85,-113.03 121.30 1.90 35
17 04/28/2017 07:49:40 72.80, 54.27 58.63 04/28/2017 07:49:10 72.82, 54.34 58.65 3.15 30
18 04/28/2017 08:40:21 -72.82,-138.37 121.36 04/28/2017 08:39:53 -72.80,-138.31 121.38 2.61 28
19 04/28/2017 09:31:00 72.83, 28.99 58.64 04/28/2017 09:30:39 72.82, 28.96 58.64 1.20 21
20 04/28/2017 10:21:43 -72.80,-163.75 121.40 04/28/2017 10:21:23 -72.81,-163.70 121.39 2.16 20
21 04/28/2017 11:12:22 72.81, 3.60 58.60 04/28/2017 11:12:09 72.83, 3.57 58.62 2.38 13
22 04/28/2017 12:03:04 -72.83, 170.97 121.40 04/28/2017 12:02:53 -72.81, 170.92 121.41 2.23 11
23 04/28/2017 12:53:44 72.79, -21.78 58.55 04/28/2017 12:53:38 72.78, -21.70 58.55 2.70 6
24 04/28/2017 13:44:26 -72.81, 145.58 121.44 04/28/2017 13:44:23 -72.82, 145.54 121.43 1.94 3
25 04/28/2017 14:35:05 72.81, -47.06 58.56 04/28/2017 14:35:08 72.79, -47.09 58.53 3.29 3
26 04/28/2017 15:25:48 -72.78, 120.20 121.48 04/28/2017 15:25:52 -72.77, 120.26 121.50 2.50 4
27 04/28/2017 16:16:27 72.79, -72.45 58.52 04/28/2017 16:16:38 72.79, -72.47 58.51 0.74 11
28 04/28/2017 17:07:10 -72.76, 94.81 121.53 04/28/2017 17:07:22 -72.78, 94.87 121.52 2.62 12
29 04/28/2017 17:57:49 72.77, -97.84 58.47 04/28/2017 17:58:08 72.79, -97.85 58.50 2.76 19
30 04/28/2017 18:48:31 -72.79, 69.53 121.52 04/28/2017 18:48:52 -72.78, 69.49 121.54 1.73 21
31 04/28/2017 19:39:11 72.75,-123.22 58.43 04/28/2017 19:39:37 72.75,-123.13 58.42 2.91 26
32 04/28/2017 20:29:53 -72.77, 44.14 121.56 04/28/2017 20:30:22 -72.78, 44.11 121.55 2.13 29
33 04/28/2017 21:20:32 72.78,-148.50 58.44 04/28/2017 21:21:07 72.75,-148.52 58.41 2.77 35

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 4/14/2017
SNOs_Map_METOP-A_NPP_20170416.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 04/14/2017 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service