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: 8/15/2023
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 08/19/2023 22:35:53 74.34,-171.04 62.07 08/19/2023 22:34:44 74.35,-173.20 62.26 64.68 69
2 08/19/2023 23:26:46 -74.77, -4.88 117.42 08/19/2023 23:25:39 -74.76, -4.78 117.41 3.15 67
3 08/20/2023 00:17:31 74.74, 162.52 62.56 08/20/2023 00:16:34 74.77, 162.51 62.61 3.71 57
4 08/20/2023 01:08:16 -74.78, -30.28 117.39 08/20/2023 01:07:38 -74.76, -30.28 117.39 2.19 38
5 08/20/2023 01:59:02 74.79, 136.99 62.65 08/20/2023 01:58:33 74.76, 137.00 62.62 3.35 29
6 08/20/2023 02:49:46 -74.79, -55.68 117.35 08/20/2023 02:49:36 -74.80, -55.65 117.34 1.78 10
7 08/20/2023 03:40:32 74.80, 111.59 62.68 08/20/2023 03:40:31 74.81, 111.63 62.68 1.32 1
8 08/20/2023 04:31:16 -74.80, -81.09 117.32 08/20/2023 04:31:35 -74.80, -81.15 117.32 1.99 19
9 08/20/2023 05:22:02 74.81, 86.19 62.71 08/20/2023 05:22:30 74.80, 86.12 62.70 2.26 28
10 08/20/2023 06:12:47 -74.86,-106.62 117.23 08/20/2023 06:13:33 -74.84,-106.52 117.26 3.41 46
11 08/20/2023 07:03:32 74.82, 60.78 62.75 08/20/2023 07:04:28 74.84, 60.76 62.75 2.33 56
12 08/20/2023 07:54:17 -74.87,-132.02 117.19 08/20/2023 07:55:32 -74.84,-132.03 117.24 3.34 75
13 08/20/2023 08:45:11 75.26, 34.14 63.29 08/20/2023 08:46:19 75.21, 36.39 63.06 63.95 68

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/15/2023
SNOs_Map_NOAA-21_NOAA-19_20230815.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/15/2023 in txt file.

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