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: 4/5/2023
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 04/06/2023 17:12:28 -70.57, 97.36 116.00 04/06/2023 17:13:38 -70.55, 97.35 116.03 1.50 70
2 04/06/2023 18:03:12 70.46, -95.16 63.87 04/06/2023 18:03:01 70.44, -95.15 63.86 1.28 11
3 04/06/2023 18:53:45 -69.89, 73.03 116.73 04/06/2023 18:52:34 -69.94, 71.78 116.64 47.73 71
4 04/09/2023 06:06:19 -70.54, -96.08 116.98 04/09/2023 06:07:15 -70.53, -96.12 117.01 2.50 56
5 04/09/2023 06:57:03 70.44, 71.41 62.90 04/09/2023 06:56:38 70.42, 71.38 62.88 2.16 25
6 04/11/2023 19:00:10 -70.53, 70.48 117.94 04/11/2023 19:00:51 -70.52, 70.44 117.96 2.11 41
7 04/11/2023 19:50:54 70.42,-122.04 61.94 04/11/2023 19:50:14 70.41,-122.06 61.93 1.95 40
8 04/14/2023 07:54:01 -70.53,-122.98 118.87 04/14/2023 07:54:26 -70.52,-122.97 118.88 0.54 25
9 04/14/2023 08:44:45 70.42, 44.49 61.01 04/14/2023 08:43:49 70.41, 44.53 61.01 1.75 56
10 04/16/2023 19:57:19 71.10,-124.71 60.84 04/16/2023 19:58:28 71.00,-123.33 60.69 51.19 69
11 04/16/2023 20:47:51 -70.48, 43.63 119.83 04/16/2023 20:48:01 -70.49, 43.56 119.82 2.82 10
12 04/16/2023 21:38:35 70.38,-148.90 60.06 04/16/2023 21:37:24 70.38,-148.94 60.07 1.31 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/5/2023
SNOs_Map_NOAA-21_TERRA_20230405.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/05/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA