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: 5/10/2020
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 05/10/2020 19:12:44 -68.31, 70.40 129.70 05/10/2020 19:13:19 -68.33, 70.40 129.69 1.53 35
2 05/10/2020 20:03:28 68.19,-122.13 50.17 05/10/2020 20:02:47 68.16,-122.15 50.14 3.18 41
3 05/13/2020 10:39:03 68.73, 18.31 50.06 05/13/2020 10:40:14 68.66, 19.06 49.99 31.25 71
4 05/13/2020 11:29:38 -68.26,-173.76 130.42 05/13/2020 11:29:49 -68.27,-173.78 130.41 1.12 11
5 05/13/2020 12:20:22 68.14, -6.30 49.46 05/13/2020 12:19:16 68.16, -6.27 49.47 2.05 66
6 05/16/2020 02:55:51 68.36, 134.56 49.06 05/16/2020 02:56:48 68.37, 134.58 49.06 0.89 57
7 05/16/2020 03:46:32 -68.22, -57.93 131.10 05/16/2020 03:46:19 -68.21, -57.97 131.11 2.07 13
8 05/16/2020 04:37:05 67.51, 110.26 48.18 05/16/2020 04:35:55 67.59, 108.95 48.27 56.28 70
9 05/18/2020 19:12:45 68.32,-109.61 48.43 05/18/2020 19:13:18 68.29,-109.62 48.40 3.04 33
10 05/18/2020 20:03:26 -68.17, 57.90 131.73 05/18/2020 20:02:48 -68.19, 57.89 131.71 2.63 38
11 05/21/2020 10:39:02 -68.82,-161.80 131.62 05/21/2020 10:40:13 -68.73,-160.86 131.72 39.30 71
12 05/21/2020 11:29:38 68.28, 6.22 47.84 05/21/2020 11:29:46 68.27, 6.23 47.82 1.32 8
13 05/21/2020 12:20:19 -68.13, 173.73 132.33 05/21/2020 12:19:17 -68.12, 173.69 132.34 2.18 62

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/10/2020
SNOs_Map_NPP_TERRA_20200510.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/10/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service