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: 4/23/2023
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 04/24/2023 10:38:39 70.58, 15.76 57.67 04/24/2023 10:39:15 70.57, 15.78 57.66 0.95 36
2 04/24/2023 11:29:21 -70.49,-176.79 122.43 04/24/2023 11:28:40 -70.47,-176.71 122.45 3.58 41
3 04/26/2023 23:32:29 70.58,-177.70 56.85 04/26/2023 23:32:47 70.56,-177.64 56.83 2.71 18
4 04/27/2023 00:23:10 -70.44, -10.16 123.31 04/27/2023 00:22:13 -70.41, -10.20 123.33 3.06 57
5 04/29/2023 11:35:40 -70.95,-179.09 123.56 04/29/2023 11:36:51 -70.88,-178.22 123.66 32.35 71
6 04/29/2023 12:26:18 70.53, -11.09 56.00 04/29/2023 12:26:19 70.52, -11.10 55.99 1.13 1
7 04/29/2023 13:16:58 -70.34, 156.53 124.22 04/29/2023 13:15:45 -70.37, 156.33 124.17 8.40 73
8 05/02/2023 00:29:24 -70.65, -12.06 124.64 05/02/2023 00:30:26 -70.65, -11.99 124.66 2.88 62
9 05/02/2023 01:20:07 70.50, 155.50 55.19 05/02/2023 01:19:50 70.50, 155.46 55.19 1.53 17
10 05/02/2023 02:10:35 -69.67, -35.91 125.69 05/02/2023 02:09:27 -69.75, -37.95 125.55 78.84 68
11 05/04/2023 13:23:11 -70.57, 154.61 125.48 05/04/2023 13:23:56 -70.59, 154.54 125.46 3.48 45
12 05/04/2023 14:13:55 70.47, -37.92 54.41 05/04/2023 14:13:19 70.50, -37.94 54.44 3.25 36

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/23/2023
SNOs_Map_NOAA-21_TERRA_20230423.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA