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: 8/20/2023
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 08/21/2023 00:48:06 -70.96, -17.37 121.28 08/21/2023 00:49:01 -70.93, -17.40 121.31 2.94 55
2 08/21/2023 01:38:50 70.84, 150.13 58.61 08/21/2023 01:38:24 70.85, 150.13 58.62 0.94 26
3 08/23/2023 12:51:35 71.77, -19.60 60.42 08/23/2023 12:52:42 71.67, -17.23 60.23 83.48 67
4 08/23/2023 13:42:02 -70.90, 149.24 120.50 08/23/2023 13:42:19 -70.90, 149.20 120.50 1.35 17
5 08/23/2023 14:32:47 70.83, -43.35 59.45 08/23/2023 14:31:42 70.82, -43.27 59.44 3.52 65
6 08/26/2023 01:45:17 70.99, 148.28 60.45 08/26/2023 01:46:12 70.96, 148.29 60.41 3.14 55
7 08/26/2023 02:35:58 -70.84, -44.16 119.69 08/26/2023 02:35:37 -70.85, -44.23 119.69 2.44 21
8 08/28/2023 14:39:12 70.94, -45.14 61.29 08/28/2023 14:39:28 70.93, -45.11 61.26 2.16 16
9 08/28/2023 15:29:53 -70.80, 122.42 118.86 08/28/2023 15:28:53 -70.81, 122.38 118.84 2.41 60
10 08/31/2023 02:42:24 -71.02, -46.06 117.76 08/31/2023 02:43:21 -71.02, -45.97 117.77 2.98 57
11 08/31/2023 03:33:07 70.85, 121.52 62.09 08/31/2023 03:32:45 70.87, 121.46 62.10 2.73 22
12 09/02/2023 14:45:54 71.91, -48.45 64.10 09/02/2023 14:46:59 71.80, -45.71 63.89 95.91 65
13 09/02/2023 15:36:19 -70.93, 120.60 116.93 09/02/2023 15:36:38 -70.93, 120.55 116.94 1.55 19
14 09/02/2023 16:27:03 70.82, -71.92 62.97 09/02/2023 16:26:01 70.83, -71.94 62.98 1.08 62

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/20/2023
SNOs_Map_NOAA-21_TERRA_20230820.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA