Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/1/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 04/09/2023 02:44:52 -75.18, -55.31 111.85 04/09/2023 02:43:42 -75.15, -57.12 111.72 51.50 70
2 04/09/2023 03:35:43 75.44, 111.22 68.45 04/09/2023 03:34:32 75.45, 111.09 68.49 3.89 71
3 04/09/2023 04:26:28 -75.47, -81.57 111.53 04/09/2023 04:25:34 -75.48, -81.55 111.50 1.43 54
4 04/09/2023 05:17:14 75.49, 85.67 68.49 04/09/2023 05:16:30 75.50, 85.78 68.50 3.31 44
5 04/09/2023 06:07:58 -75.48,-106.98 111.54 04/09/2023 06:07:33 -75.49,-107.01 111.52 1.63 25
6 04/09/2023 06:58:44 75.50, 60.27 68.47 04/09/2023 06:58:29 75.51, 60.32 68.48 1.98 15
7 04/09/2023 07:49:28 -75.49,-132.38 111.56 04/09/2023 07:49:32 -75.51,-132.46 111.54 2.72 4
8 04/09/2023 08:40:14 75.51, 34.86 68.46 04/09/2023 08:40:28 75.52, 34.86 68.46 1.16 14
9 04/09/2023 09:30:59 -75.55,-157.93 111.52 04/09/2023 09:31:31 -75.52,-157.92 111.56 3.66 32
10 04/09/2023 10:21:43 75.52, 9.45 68.44 04/09/2023 10:22:26 75.53, 9.40 68.45 1.78 43
11 04/09/2023 11:12:28 -75.56, 176.66 111.53 04/09/2023 11:13:28 -75.57, 176.77 111.55 3.44 60
12 04/09/2023 12:03:13 75.53, -15.95 68.43 04/09/2023 12:04:25 75.55, -16.06 68.43 3.07 72

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/1/2023
SNOs_Map_NOAA-21_NOAA-19_20230401.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 04/01/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-19