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 17:12:29 -70.59, 97.33 115.98 04/06/2023 17:13:38 -70.59, 97.40 115.99 2.69 69
2 04/06/2023 18:03:12 70.42, -95.10 63.84 04/06/2023 18:03:02 70.43, -95.18 63.84 2.94 10
3 04/06/2023 18:53:45 -69.86, 73.08 116.77 04/06/2023 18:52:35 -69.92, 71.76 116.65 50.90 70
4 04/09/2023 06:06:20 -70.56, -96.11 116.96 04/09/2023 06:07:15 -70.57, -96.06 116.97 1.73 55
5 04/09/2023 06:57:04 70.45, 71.38 62.91 04/09/2023 06:56:38 70.46, 71.44 62.92 2.50 26
6 04/11/2023 19:00:10 -70.55, 70.45 117.92 04/11/2023 19:00:50 -70.56, 70.51 117.91 2.84 40
7 04/11/2023 19:50:53 70.39,-121.99 61.91 04/11/2023 19:50:14 70.40,-122.07 61.92 3.20 39
8 04/14/2023 07:54:01 -70.54,-123.01 118.85 04/14/2023 07:54:26 -70.53,-122.97 118.88 2.60 25
9 04/14/2023 08:44:44 70.39, 44.55 60.98 04/14/2023 08:43:49 70.42, 44.54 61.01 3.47 55
10 04/16/2023 19:57:19 71.12,-124.74 60.86 04/16/2023 19:58:28 71.02,-123.30 60.70 53.08 69
11 04/16/2023 20:47:51 -70.50, 43.60 119.81 04/16/2023 20:48:01 -70.51, 43.58 119.81 1.20 10
12 04/16/2023 21:38:35 70.39,-148.93 60.07 04/16/2023 21:37:24 70.40,-148.91 60.08 0.85 71
13 04/19/2023 08:51:00 70.61, 42.64 59.43 04/19/2023 08:52:10 70.58, 42.62 59.39 3.34 70
14 04/19/2023 09:41:42 -70.51,-149.89 120.69 04/19/2023 09:41:35 -70.50,-149.84 120.70 2.00 7
15 04/19/2023 10:32:16 69.88, 18.39 58.65 04/19/2023 10:31:06 69.96, 17.05 58.77 52.00 70

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/5/2023
SNOs_Map_NOAA-21_TERRA_20230406.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