Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/19/2021
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/19/2021 18:21:39 -68.49, 82.93 123.06 04/19/2021 18:22:14 -68.52, 82.92 123.04 3.28 35
2 04/19/2021 19:12:23 68.36,-109.58 56.79 04/19/2021 19:11:42 68.36,-109.63 56.79 1.87 41
3 04/22/2021 09:47:56 68.90, 30.85 56.46 04/22/2021 09:49:07 68.81, 31.53 56.36 28.68 71
4 04/22/2021 10:38:32 -68.50,-161.30 123.97 04/22/2021 10:38:41 -68.48,-161.25 123.99 2.83 9
5 04/22/2021 11:29:15 68.31, 6.25 55.84 04/22/2021 11:28:09 68.31, 6.19 55.84 2.41 66
6 04/25/2021 02:04:43 68.53, 147.11 55.20 04/25/2021 02:05:39 68.53, 147.06 55.20 2.04 56
7 04/25/2021 02:55:25 -68.45, -45.46 124.90 04/25/2021 02:55:09 -68.43, -45.43 124.92 2.88 16
8 04/25/2021 03:45:56 67.62, 122.89 54.26 04/25/2021 03:44:47 67.70, 121.36 54.35 65.22 69
9 04/27/2021 18:21:37 68.55, -97.13 54.36 04/27/2021 18:22:06 68.53, -97.06 54.34 3.52 29
10 04/27/2021 19:12:17 -68.36, 70.44 125.85 04/27/2021 19:11:37 -68.37, 70.38 125.84 3.06 40
11 04/30/2021 09:47:52 -68.95,-149.20 126.06 04/30/2021 09:49:03 -68.81,-148.48 126.21 32.81 71
12 04/30/2021 10:38:29 68.46, 18.76 53.44 04/30/2021 10:38:34 68.47, 18.74 53.44 1.02 5
13 04/30/2021 11:29:11 -68.37,-173.80 126.67 04/30/2021 11:28:04 -68.37,-173.75 126.67 2.33 67
14 05/03/2021 02:04:38 -68.60, -32.95 127.22 05/03/2021 02:05:33 -68.58, -32.89 127.24 3.07 55
15 05/03/2021 02:55:21 68.43, 134.58 52.61 05/03/2021 02:55:00 68.46, 134.61 52.63 2.68 21

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/19/2021
SNOs_Map_NPP_TERRA_20210419.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/19/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA