Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/13/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 12/15/2023 07:09:39 70.74, 67.48 93.93 12/15/2023 07:10:46 70.64, 69.53 93.80 76.10 67
2 12/15/2023 08:00:07 -69.91,-123.89 86.92 12/15/2023 08:00:27 -69.93,-123.87 86.91 2.31 20
3 12/15/2023 08:50:51 69.80, 43.58 92.97 12/15/2023 08:49:55 69.77, 43.55 92.94 3.39 56
4 12/17/2023 23:26:21 70.02,-175.60 93.31 12/17/2023 23:27:28 70.00,-175.53 93.28 3.42 67
5 12/18/2023 00:17:02 -69.87, -8.06 86.85 12/18/2023 00:16:58 -69.90, -8.04 86.82 2.96 4
6 12/18/2023 01:07:41 69.49, 159.80 92.77 12/18/2023 01:06:29 69.57, 159.15 92.86 26.65 72
7 12/20/2023 15:43:15 69.93, -59.70 93.29 12/20/2023 15:43:59 69.94, -59.74 93.29 1.63 44
8 12/20/2023 16:33:57 -69.84, 107.76 86.82 12/20/2023 16:33:29 -69.84, 107.75 86.81 0.52 28
9 12/23/2023 07:09:42 -70.85,-112.70 85.76 12/23/2023 07:10:49 -70.74,-110.34 85.92 87.10 67
10 12/23/2023 08:00:10 69.91, 56.11 93.27 12/23/2023 08:00:29 69.92, 56.10 93.27 1.01 19
11 12/23/2023 08:50:52 -69.81,-136.43 86.84 12/23/2023 08:49:59 -69.82,-136.40 86.83 1.37 53
12 12/25/2023 23:26:20 -69.99, 4.44 86.69 12/25/2023 23:27:31 -69.99, 4.43 86.71 0.70 71
13 12/26/2023 00:17:04 69.89, 171.91 93.20 12/26/2023 00:16:58 69.87, 171.92 93.18 2.09 6
14 12/26/2023 01:07:43 -69.63, -20.39 87.07 12/26/2023 01:06:30 -69.66, -20.74 87.03 13.91 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 12/13/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231213.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 12/13/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8