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: 6/23/2023
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 06/24/2023 00:36:08 -70.77, -14.00 132.65 06/24/2023 00:36:57 -70.79, -13.97 132.64 2.59 49
2 06/24/2023 01:26:52 70.65, 153.49 47.24 06/24/2023 01:26:20 70.64, 153.47 47.23 1.61 32
3 06/26/2023 12:39:33 71.52, -16.09 48.23 06/26/2023 12:40:40 71.45, -13.94 48.06 76.38 67
4 06/26/2023 13:30:02 -70.75, 152.54 132.60 06/26/2023 13:30:17 -70.74, 152.61 132.61 2.43 15
5 06/26/2023 14:20:45 70.59, -39.89 47.24 06/26/2023 14:19:40 70.59, -39.95 47.25 2.48 65
6 06/29/2023 01:33:13 70.79, 151.69 47.56 06/29/2023 01:34:11 70.77, 151.65 47.53 2.25 58
7 06/29/2023 02:23:55 -70.69, -40.83 132.55 06/29/2023 02:23:37 -70.67, -40.85 132.56 1.84 18
8 07/01/2023 14:27:06 70.74, -41.71 47.66 07/01/2023 14:27:30 70.72, -41.78 47.64 3.16 24
9 07/01/2023 15:17:47 -70.63, 125.77 132.45 07/01/2023 15:16:55 -70.63, 125.73 132.45 1.96 52
10 07/04/2023 02:30:14 -70.79, -42.58 132.09 07/04/2023 02:31:25 -70.81, -42.66 132.08 3.47 71
11 07/04/2023 03:20:58 70.69, 124.88 47.82 07/04/2023 03:20:47 70.70, 124.83 47.82 1.74 11
12 07/04/2023 04:11:31 -70.12, -66.89 132.80 07/04/2023 04:10:21 -70.17, -68.29 132.67 53.07 70
13 07/06/2023 15:24:08 -70.81, 123.91 131.83 07/06/2023 15:24:42 -70.81, 124.00 131.84 3.08 34
14 07/06/2023 16:14:51 70.66, -68.54 48.02 07/06/2023 16:14:05 70.64, -68.59 48.01 2.70 46

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 6/23/2023
SNOs_Map_NOAA-21_TERRA_20230623.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 06/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA