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: 1/12/2023
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 01/13/2023 00:24:57 71.24, 168.41 92.84 01/13/2023 00:26:03 71.14, 170.91 92.65 90.32 66
2 01/13/2023 01:15:23 -70.32, -22.75 88.15 01/13/2023 01:15:42 -70.29, -22.71 88.18 3.08 19
3 01/13/2023 02:06:07 70.20, 144.74 91.73 01/13/2023 02:05:06 70.18, 144.79 91.72 2.71 61
4 01/15/2023 14:09:16 -70.29, 143.81 88.62 01/15/2023 14:09:44 -70.30, 143.76 88.61 2.32 28
5 01/15/2023 15:00:00 70.17, -48.71 91.26 01/15/2023 14:59:08 70.19, -48.74 91.28 2.08 52
6 01/18/2023 03:03:11 -70.32, -49.72 89.07 01/18/2023 03:03:46 -70.33, -49.72 89.06 1.79 35
7 01/18/2023 03:53:55 70.21, 117.76 90.82 01/18/2023 03:53:10 70.21, 117.77 90.83 0.99 45
8 01/20/2023 15:57:06 -70.36, 116.73 89.55 01/20/2023 15:57:48 -70.34, 116.75 89.58 2.58 42
9 01/20/2023 16:47:49 70.20, -75.71 90.28 01/20/2023 16:47:12 70.21, -75.76 90.30 2.63 37
10 01/23/2023 04:51:00 -70.35, -76.75 90.12 01/23/2023 04:51:49 -70.36, -76.73 90.12 1.05 49
11 01/23/2023 05:41:44 70.25, 90.73 89.77 01/23/2023 05:41:13 70.23, 90.74 89.76 1.83 31
12 01/25/2023 17:44:54 -70.36, 89.76 90.71 01/25/2023 17:45:50 -70.36, 89.74 90.72 0.91 56
13 01/25/2023 18:35:38 70.26,-102.77 89.18 01/25/2023 18:35:13 70.28,-102.72 89.20 3.13 25

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2023
SNOs_Map_NOAA-21_TERRA_20230112.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/12/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA