Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/16/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/17/2023 09:56:35 -71.47,-154.93 118.99 04/17/2023 09:57:42 -71.40,-152.54 119.13 85.05 67
2 04/17/2023 10:47:04 70.58, 13.89 60.07 04/17/2023 10:47:18 70.60, 13.89 60.09 2.58 14
3 04/17/2023 11:37:46 -70.49,-178.65 120.05 04/17/2023 11:36:44 -70.46,-178.67 120.07 3.04 62
4 04/19/2023 22:50:17 -70.70, 12.91 120.69 04/19/2023 22:51:29 -70.67, 12.92 120.72 2.62 72
5 04/19/2023 23:41:01 70.59,-179.60 59.19 04/19/2023 23:40:52 70.58,-179.56 59.18 1.70 9
6 04/20/2023 00:31:35 -70.07, -11.48 121.37 04/20/2023 00:30:24 -70.11, -12.59 121.29 42.22 71
7 04/22/2023 11:44:13 -70.66, 179.49 121.60 04/22/2023 11:45:02 -70.67, 179.49 121.60 0.70 49
8 04/22/2023 12:34:57 70.55, -13.03 58.28 04/22/2023 12:34:25 70.57, -12.98 58.31 2.98 32
9 04/25/2023 00:38:09 -70.63, -13.95 122.47 04/25/2023 00:38:35 -70.62, -13.99 122.49 2.52 26
10 04/25/2023 01:28:52 70.52, 153.53 57.41 04/25/2023 01:27:57 70.52, 153.53 57.41 0.42 55
11 04/27/2023 12:41:26 70.92, -15.23 57.03 04/27/2023 12:42:38 70.83, -14.73 56.91 20.92 72
12 04/27/2023 13:32:04 -70.62, 152.60 123.31 04/27/2023 13:32:05 -70.63, 152.63 123.30 1.95 1
13 04/27/2023 14:22:44 70.30, -39.58 56.35 04/27/2023 14:21:32 70.32, -40.17 56.39 22.09 72
14 04/30/2023 01:35:18 70.71, 151.65 56.01 04/30/2023 01:36:11 70.69, 151.66 55.98 1.83 53
15 04/30/2023 02:26:00 -70.61, -40.86 124.11 04/30/2023 02:25:36 -70.60, -40.82 124.12 1.87 24

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2023
SNOs_Map_NOAA-20_TERRA_20230417.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/16/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA