Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/29/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/29/2023 11:35:43 -70.69,-178.70 123.83 04/29/2023 11:36:54 -70.66,-178.55 123.87 6.24 71
2 04/29/2023 12:26:26 70.52, -11.11 55.98 04/29/2023 12:26:18 70.53, -11.09 55.99 1.31 8
3 04/29/2023 13:17:00 -70.01, 157.00 124.55 04/29/2023 13:15:49 -70.10, 155.94 124.44 41.10 71
4 05/02/2023 00:29:38 -70.58, -12.00 124.72 05/02/2023 00:30:26 -70.58, -12.08 124.73 2.95 48
5 05/02/2023 01:20:23 70.51, 155.41 55.20 05/02/2023 01:19:49 70.50, 155.46 55.19 2.26 34
6 05/04/2023 13:23:34 -70.58, 154.51 125.47 05/04/2023 13:23:55 -70.57, 154.51 125.48 0.59 21
7 05/04/2023 14:14:18 70.46, -38.00 54.40 05/04/2023 14:13:19 70.43, -38.03 54.38 3.31 59
8 05/07/2023 01:26:49 70.68, 153.53 53.93 05/07/2023 01:27:59 70.69, 153.64 53.93 4.29 70
9 05/07/2023 02:17:30 -70.54, -38.92 126.23 05/07/2023 02:17:25 -70.54, -38.93 126.23 0.45 5
10 05/07/2023 03:08:06 70.00, 129.22 53.20 05/07/2023 03:06:55 70.07, 128.05 53.30 45.22 71
11 05/09/2023 14:20:44 70.61, -39.84 53.16 05/09/2023 14:21:29 70.63, -39.85 53.18 2.67 45
12 05/09/2023 15:11:26 -70.51, 127.63 126.95 05/09/2023 15:10:54 -70.54, 127.66 126.93 2.72 32
13 05/12/2023 03:14:40 70.59, 126.69 52.49 05/12/2023 03:14:58 70.59, 126.70 52.48 0.31 18
14 05/12/2023 04:05:22 -70.50, -65.83 127.63 05/12/2023 04:04:23 -70.50, -65.78 127.62 1.92 59

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/29/2023
SNOs_Map_NOAA-21_TERRA_20230429.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/29/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA