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: 4/14/2023
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 04/14/2023 21:53:08 70.61,-152.68 61.00 04/14/2023 21:53:44 70.60,-152.69 60.99 0.77 36
2 04/14/2023 22:43:50 -70.51, 14.79 119.11 04/14/2023 22:43:09 -70.52, 14.84 119.10 1.86 41
3 04/17/2023 09:56:36 -71.49,-154.97 118.97 04/17/2023 09:57:43 -71.38,-152.57 119.15 85.86 67
4 04/17/2023 10:47:05 70.60, 13.85 60.09 04/17/2023 10:47:19 70.58, 13.86 60.07 2.32 14
5 04/17/2023 11:37:47 -70.51,-178.68 120.03 04/17/2023 11:36:44 -70.50,-178.61 120.03 2.53 63
6 04/19/2023 22:50:17 -70.71, 12.88 120.67 04/19/2023 22:51:29 -70.68, 12.92 120.72 4.36 72
7 04/19/2023 23:41:00 70.55,-179.55 59.15 04/19/2023 23:40:52 70.58,-179.56 59.18 3.18 8
8 04/20/2023 00:31:35 -70.09, -11.50 121.35 04/20/2023 00:30:24 -70.11, -12.58 121.29 41.07 71
9 04/22/2023 11:44:13 -70.67, 179.47 121.59 04/22/2023 11:45:03 -70.64, 179.45 121.62 3.23 50
10 04/22/2023 12:34:57 70.56, -13.05 58.29 04/22/2023 12:34:26 70.55, -13.03 58.28 2.05 31
11 04/25/2023 00:38:09 -70.63, -13.95 122.47 04/25/2023 00:38:36 -70.63, -13.98 122.48 1.35 27
12 04/25/2023 01:28:53 70.53, 153.53 57.41 04/25/2023 01:27:59 70.53, 153.54 57.42 0.46 54
13 04/27/2023 12:41:29 71.02, -15.39 57.13 04/27/2023 12:42:40 70.88, -14.66 56.96 30.79 71
14 04/27/2023 13:32:05 -70.61, 152.62 123.32 04/27/2023 13:32:08 -70.63, 152.62 123.30 3.06 3
15 04/27/2023 14:22:46 70.34, -39.66 56.40 04/27/2023 14:21:33 70.43, -40.02 56.50 16.39 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2023
SNOs_Map_NOAA-20_TERRA_20230414.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/14/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA