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: 2/8/2023
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 02/09/2023 23:08:17 -70.71, 8.33 94.70 02/09/2023 23:09:28 -70.61, 9.03 94.84 27.81 71
2 02/09/2023 23:58:56 70.34, 176.24 84.90 02/09/2023 23:58:54 70.35, 176.31 84.91 3.37 2
3 02/10/2023 00:49:35 -70.09, -16.06 95.38 02/10/2023 00:48:22 -70.14, -16.35 95.31 12.00 73
4 02/12/2023 12:02:12 -70.84, 174.65 95.39 02/12/2023 12:03:22 -70.72, 175.68 95.57 40.09 70
5 02/12/2023 12:52:49 70.36, -17.28 84.10 02/12/2023 12:52:50 70.34, -17.21 84.07 3.32 1
6 02/12/2023 13:43:30 -70.22, 150.26 96.07 02/12/2023 13:42:16 -70.24, 150.30 96.04 2.77 74
7 02/15/2023 00:56:06 -70.93, -18.97 96.15 02/15/2023 00:57:16 -70.79, -17.72 96.36 48.10 70
8 02/15/2023 01:46:41 70.35, 149.27 83.22 02/15/2023 01:46:45 70.35, 149.30 83.22 0.89 4
9 02/15/2023 02:37:23 -70.25, -43.26 96.89 02/15/2023 02:36:11 -70.26, -43.19 96.88 2.85 72
10 02/17/2023 13:49:58 -70.97, 147.48 96.99 02/17/2023 13:51:08 -70.87, 148.91 97.16 52.98 70
11 02/17/2023 14:40:32 70.34, -44.19 82.34 02/17/2023 14:40:38 70.37, -44.17 82.36 3.41 6
12 02/17/2023 15:31:14 -70.25, 123.27 97.78 02/17/2023 15:30:05 -70.23, 123.28 97.79 1.88 69
13 02/20/2023 02:43:52 -71.08, -46.17 97.77 02/20/2023 02:45:00 -70.97, -44.43 97.96 63.88 68
14 02/20/2023 03:34:24 70.35, 122.33 81.44 02/20/2023 03:34:32 70.36, 122.32 81.45 1.19 8
15 02/20/2023 04:25:06 -70.25, -70.20 98.68 02/20/2023 04:23:59 -70.22, -70.23 98.69 3.30 67

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/8/2023
SNOs_Map_NOAA-21_TERRA_20230208.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/08/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA