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: 1/15/2023
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 01/15/2023 14:09:16 -70.28, 143.82 88.62 01/15/2023 14:09:44 -70.30, 143.76 88.61 2.68 28
2 01/15/2023 15:00:00 70.16, -48.69 91.25 01/15/2023 14:59:08 70.18, -48.74 91.28 2.84 52
3 01/18/2023 03:03:11 -70.32, -49.72 89.07 01/18/2023 03:03:46 -70.31, -49.75 89.08 1.34 35
4 01/18/2023 03:53:55 70.20, 117.76 90.81 01/18/2023 03:53:10 70.19, 117.74 90.81 1.25 45
5 01/20/2023 15:57:06 -70.36, 116.73 89.54 01/20/2023 15:57:47 -70.34, 116.77 89.57 2.45 41
6 01/20/2023 16:47:49 70.20, -75.71 90.28 01/20/2023 16:47:11 70.22, -75.75 90.31 3.10 38
7 01/23/2023 04:51:00 -70.36, -76.76 90.11 01/23/2023 04:51:48 -70.34, -76.76 90.14 2.69 48
8 01/23/2023 05:41:44 70.26, 90.72 89.78 01/23/2023 05:41:11 70.27, 90.79 89.79 3.10 33
9 01/25/2023 17:44:53 -70.38, 89.74 90.70 01/25/2023 17:45:47 -70.35, 89.73 90.73 2.66 54
10 01/25/2023 18:35:37 70.27,-102.79 89.19 01/25/2023 18:35:10 70.27,-102.72 89.19 2.63 27
11 01/28/2023 06:38:47 -70.40,-103.78 91.31 01/28/2023 06:39:46 -70.38,-103.74 91.34 2.28 59
12 01/28/2023 07:29:30 70.24, 63.77 88.52 01/28/2023 07:29:10 70.24, 63.72 88.52 2.01 20

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/15/2023
SNOs_Map_NOAA-21_TERRA_20230115.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA