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: 7/9/2023
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 07/21/2023 08:07:29 74.56, 45.53 54.52 07/21/2023 08:06:20 74.53, 43.52 54.68 59.44 69
2 07/21/2023 08:58:21 -74.92,-148.16 125.05 07/21/2023 08:57:09 -74.90,-148.14 125.05 2.80 72
3 07/21/2023 09:49:06 74.91, 19.20 54.94 07/21/2023 09:48:11 74.91, 19.12 54.97 2.32 55
4 07/21/2023 10:39:51 -74.93,-173.56 125.03 07/21/2023 10:39:07 -74.95,-173.50 125.00 2.21 44
5 07/21/2023 11:30:37 74.96, -6.33 55.02 07/21/2023 11:30:09 74.95, -6.23 55.01 2.94 28
6 07/21/2023 12:21:21 -74.94, 161.05 125.00 07/21/2023 12:21:06 -74.94, 161.01 124.99 1.27 15
7 07/21/2023 13:12:07 74.97, -31.73 55.04 07/21/2023 13:12:08 74.95, -31.73 55.03 1.98 1
8 07/21/2023 14:02:52 -75.00, 135.51 124.92 07/21/2023 14:03:04 -74.99, 135.65 124.94 3.99 12
9 07/21/2023 14:53:37 74.98, -57.12 55.07 07/21/2023 14:54:06 75.00, -57.09 55.07 2.43 29
10 07/21/2023 15:44:22 -75.00, 110.12 124.90 07/21/2023 15:45:03 -74.99, 110.16 124.93 1.93 41
11 07/21/2023 16:35:07 74.99, -82.52 55.09 07/21/2023 16:36:05 75.00, -82.58 55.09 2.13 58
12 07/21/2023 17:25:52 -75.01, 84.72 124.88 07/21/2023 17:27:02 -74.99, 84.66 124.92 3.08 70
13 07/21/2023 18:16:47 75.47,-109.33 55.68 07/21/2023 18:17:54 75.46,-106.62 55.44 75.65 67

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/9/2023
SNOs_Map_NOAA-21_NOAA-19_20230709.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/09/2023 in txt file.

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