Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/30/2022
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 12/31/2022 18:31:11 75.45,-116.15 99.17 12/31/2022 18:32:16 75.53,-112.89 99.00 91.34 65
2 12/31/2022 19:22:05 -75.98, 52.91 80.46 12/31/2022 19:23:10 -75.98, 52.94 80.47 1.18 65
3 12/31/2022 20:12:58 76.01,-139.68 99.57 12/31/2022 20:13:56 75.99,-139.78 99.54 3.24 58
4 12/31/2022 21:04:04 -76.00, 27.50 80.45 12/31/2022 21:04:40 -75.98, 27.56 80.48 2.24 36
5 12/31/2022 21:54:58 75.99,-165.25 99.55 12/31/2022 21:55:26 75.99,-165.16 99.54 2.56 28
6 12/31/2022 22:46:03 -76.02, 2.09 80.44 12/31/2022 22:46:11 -76.03, 2.03 80.43 2.03 8
7 12/31/2022 23:36:57 76.01, 169.34 99.56 12/31/2022 23:36:57 76.04, 169.30 99.59 3.22 0
8 01/01/2023 00:28:02 -76.05, -23.31 80.42 01/01/2023 00:27:41 -76.03, -23.35 80.43 1.87 21
9 01/01/2023 01:18:56 76.04, 143.93 99.57 01/01/2023 01:18:27 76.04, 143.93 99.58 0.55 29
10 01/01/2023 02:10:01 -76.07, -48.72 80.41 01/01/2023 02:09:11 -76.03, -48.73 80.43 4.12 50
11 01/01/2023 03:00:55 76.06, 118.52 99.58 01/01/2023 02:59:57 76.04, 118.55 99.58 2.11 58
12 01/01/2023 03:51:57 -76.23, -73.63 80.30 01/01/2023 03:50:45 -76.22, -74.74 80.22 29.33 72
13 01/01/2023 04:42:44 76.52, 94.81 99.92 01/01/2023 04:41:38 76.54, 91.37 100.18 88.92 66

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 12/30/2022
SNOs_Map_NOAA-19_NPP_20221230.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 12/30/2022 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP