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: 8/9/2023
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 08/10/2023 22:53:59 -70.90, 11.26 124.48 08/10/2023 22:54:32 -70.91, 11.31 124.48 2.08 33
2 08/10/2023 23:44:43 70.79, 178.75 55.42 08/10/2023 23:43:55 70.81, 178.82 55.45 3.34 48
3 08/13/2023 10:57:13 71.21, 9.95 56.60 08/13/2023 10:58:24 71.14, 10.64 56.48 26.16 71
4 08/13/2023 11:47:50 -70.86, 177.87 123.77 08/13/2023 11:47:52 -70.87, 177.88 123.76 1.53 2
5 08/13/2023 12:38:30 70.54, -14.31 55.91 08/13/2023 12:37:18 70.61, -14.85 56.01 21.19 72
6 08/15/2023 23:50:58 70.92, 176.98 57.07 08/15/2023 23:51:46 70.90, 176.92 57.04 2.94 48
7 08/16/2023 00:41:40 -70.82, -15.54 123.03 08/16/2023 00:41:11 -70.80, -15.58 123.05 3.07 29
8 08/18/2023 11:54:21 -71.82, 174.62 121.18 08/18/2023 11:55:27 -71.77, 177.29 121.35 92.95 66
9 08/18/2023 12:44:49 70.89, -16.44 57.84 08/18/2023 12:45:04 70.91, -16.42 57.85 1.93 15
10 08/18/2023 13:35:31 -70.79, 151.03 122.25 08/18/2023 13:34:29 -70.80, 151.08 122.24 1.85 62
11 08/21/2023 00:47:56 -70.97, -17.36 121.26 08/21/2023 00:48:59 -70.98, -17.31 121.27 1.96 63
12 08/21/2023 01:38:40 70.88, 150.12 58.65 08/21/2023 01:38:22 70.89, 150.19 58.66 3.07 18

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 8/9/2023
SNOs_Map_NOAA-21_TERRA_20230809.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 08/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA