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: 5/7/2021
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 05/19/2021 20:45:25 -77.19, 31.85 122.30 05/19/2021 20:44:20 -77.19, 27.85 121.96 98.54 65
2 05/19/2021 21:36:09 76.99,-161.60 57.57 05/19/2021 21:35:00 76.96,-163.88 57.74 57.06 69
3 05/19/2021 22:26:54 -76.86, 5.21 122.53 05/19/2021 22:25:42 -76.85, 3.91 122.42 32.92 72
4 05/19/2021 23:17:37 76.70, 171.96 57.36 05/19/2021 23:16:24 76.70, 171.80 57.40 4.10 73
5 05/20/2021 00:08:20 -76.66, -20.88 122.68 05/20/2021 00:07:08 -76.67, -20.78 122.65 2.93 72
6 05/20/2021 00:58:59 76.68, 146.54 57.33 05/20/2021 00:57:53 76.66, 146.59 57.33 2.86 66
7 05/20/2021 01:49:41 -76.68, -46.12 122.68 05/20/2021 01:48:38 -76.67, -46.16 122.66 1.54 63
8 05/20/2021 02:40:21 76.66, 121.13 57.30 05/20/2021 02:39:23 76.66, 121.20 57.32 1.86 58
9 05/20/2021 03:31:03 -76.66, -71.53 122.70 05/20/2021 03:30:08 -76.68, -71.54 122.68 1.23 55
10 05/20/2021 04:21:43 76.64, 95.72 57.28 05/20/2021 04:20:53 76.66, 95.82 57.30 3.31 50
11 05/20/2021 05:12:25 -76.65, -96.94 122.73 05/20/2021 05:11:38 -76.68, -96.93 122.69 3.56 47
12 05/20/2021 06:03:04 76.67, 70.48 57.28 05/20/2021 06:02:23 76.66, 70.44 57.29 1.13 41
13 05/20/2021 06:53:46 -76.67,-122.19 122.73 05/20/2021 06:53:08 -76.68,-122.31 122.70 3.13 38
14 05/20/2021 07:44:26 76.65, 45.06 57.25 05/20/2021 07:43:53 76.66, 45.06 57.28 1.70 33
15 05/20/2021 08:35:08 -76.65,-147.60 122.76 05/20/2021 08:34:37 -76.64,-147.52 122.77 2.77 31
16 05/20/2021 09:25:46 76.68, 19.82 57.26 05/20/2021 09:25:22 76.67, 19.68 57.27 3.81 24
17 05/20/2021 10:16:29 -76.63,-173.01 122.78 05/20/2021 10:16:06 -76.64,-172.90 122.78 2.92 23
18 05/20/2021 11:07:08 76.66, -5.59 57.23 05/20/2021 11:06:52 76.67, -5.71 57.26 3.19 16
19 05/20/2021 11:57:50 -76.66, 161.74 122.78 05/20/2021 11:57:36 -76.64, 161.72 122.79 2.27 14
20 05/20/2021 12:48:30 76.64, -31.00 57.20 05/20/2021 12:48:21 76.63, -30.92 57.19 2.59 9
21 05/20/2021 13:39:12 -76.64, 136.33 122.81 05/20/2021 13:39:06 -76.64, 136.34 122.80 0.20 6
22 05/20/2021 14:29:52 76.62, -56.42 57.18 05/20/2021 14:29:51 76.63, -56.30 57.18 3.20 1
23 05/20/2021 15:20:34 -76.62, 110.92 122.83 05/20/2021 15:20:36 -76.64, 110.95 122.82 2.63 2
24 05/20/2021 16:11:13 76.64, -81.66 57.18 05/20/2021 16:11:21 76.63, -81.68 57.16 1.70 8
25 05/20/2021 17:01:55 -76.65, 85.67 122.83 05/20/2021 17:02:06 -76.65, 85.57 122.83 2.62 11
26 05/20/2021 17:52:35 76.63,-107.07 57.15 05/20/2021 17:52:51 76.63,-107.06 57.15 0.77 16
27 05/20/2021 18:43:17 -76.63, 60.26 122.86 05/20/2021 18:43:36 -76.65, 60.19 122.84 2.80 19
28 05/20/2021 19:33:57 76.61,-132.48 57.13 05/20/2021 19:34:21 76.63,-132.45 57.14 3.25 24
29 05/20/2021 20:24:39 -76.61, 34.85 122.88 05/20/2021 20:25:05 -76.60, 34.98 122.91 3.30 26
30 05/20/2021 21:15:18 76.63,-157.73 57.13 05/20/2021 21:15:51 76.64,-157.83 57.13 2.51 33
31 05/20/2021 22:06:00 -76.64, 9.61 122.88 05/20/2021 22:06:35 -76.61, 9.60 122.92 3.24 35
32 05/20/2021 22:56:40 76.61, 176.86 57.10 05/20/2021 22:57:21 76.64, 176.79 57.12 3.23 41
33 05/20/2021 23:47:22 -76.62, -15.81 122.91 05/20/2021 23:48:05 -76.61, -15.79 122.93 1.04 43
34 05/21/2021 00:38:02 76.59, 151.45 57.08 05/21/2021 00:38:50 76.60, 151.58 57.05 3.41 48
35 05/21/2021 01:28:44 -76.60, -41.22 122.93 05/21/2021 01:29:35 -76.61, -41.17 122.94 1.92 51
36 05/21/2021 02:19:23 76.62, 126.20 57.08 05/21/2021 02:20:20 76.60, 126.20 57.04 2.60 57
37 05/21/2021 03:10:05 -76.62, -66.46 122.93 05/21/2021 03:11:05 -76.61, -66.55 122.95 2.56 60
38 05/21/2021 04:00:45 76.60, 100.79 57.05 05/21/2021 04:01:50 76.60, 100.81 57.03 0.70 65

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 5/7/2021
SNOs_Map_METOP-A_NPP_20210507.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 05/07/2021 in txt file.

Historial Predications of SNOs between METOP-A and NPP