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: 12/12/2022
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 12/12/2022 21:08:43 70.27,-140.92 93.30 12/12/2022 21:09:30 70.25,-140.96 93.27 3.16 47
2 12/12/2022 21:59:24 -70.13, 26.61 86.84 12/12/2022 21:58:56 -70.15, 26.55 86.83 2.70 28
3 12/15/2022 10:02:42 70.27, 25.59 93.46 12/15/2022 10:03:38 70.28, 25.54 93.46 2.31 56
4 12/15/2022 10:53:24 -70.18,-166.96 86.64 12/15/2022 10:53:04 -70.18,-166.95 86.64 0.21 20
5 12/17/2022 22:56:42 70.33,-167.99 93.62 12/17/2022 22:57:46 70.30,-167.99 93.59 3.36 64
6 12/17/2022 23:47:23 -70.19, -0.45 86.53 12/17/2022 23:47:12 -70.20, -0.49 86.51 1.92 11
7 12/18/2022 00:37:55 69.43, 167.99 92.71 12/18/2022 00:36:47 69.45, 166.15 92.76 71.78 68
8 12/20/2022 11:50:41 70.39, -1.58 93.75 12/20/2022 11:51:52 70.35, -1.47 93.70 6.33 71
9 12/20/2022 12:41:22 -70.25, 165.96 86.41 12/20/2022 12:41:18 -70.25, 166.03 86.41 2.62 4
10 12/20/2022 13:31:59 69.76, -25.99 93.10 12/20/2022 13:30:48 69.78, -26.96 93.14 37.64 71
11 12/23/2022 00:44:45 70.67, 164.48 94.05 12/23/2022 00:45:56 70.55, 165.26 93.90 32.23 71
12 12/23/2022 01:35:21 -70.26, -27.55 86.38 12/23/2022 01:35:25 -70.28, -27.48 86.37 3.34 4
13 12/23/2022 02:26:03 70.04, 140.10 93.40 12/23/2022 02:24:50 70.09, 139.91 93.45 8.73 73
14 12/25/2022 13:38:49 70.96, -29.48 94.30 12/25/2022 13:39:58 70.83, -27.86 94.14 60.69 69
15 12/25/2022 14:29:20 -70.28, 138.93 86.41 12/25/2022 14:29:32 -70.29, 138.99 86.40 2.22 12
16 12/25/2022 15:20:04 70.17, -53.58 93.48 12/25/2022 15:18:56 70.15, -53.55 93.47 2.51 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/12/2022
SNOs_Map_NPP_TERRA_20221212.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/12/2022 in txt file.

Historial Predications of SNOs between NPP and TERRA