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: 4/22/2020
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 04/24/2020 19:12:46 -68.34, 70.35 124.98 04/24/2020 19:13:24 -68.32, 70.38 125.00 2.26 38
2 04/24/2020 20:03:30 68.22,-122.18 54.89 04/24/2020 20:02:51 68.21,-122.11 54.88 2.95 39
3 04/27/2020 10:39:06 68.80, 18.20 54.64 04/27/2020 10:40:16 68.69, 19.09 54.52 37.54 70
4 04/27/2020 11:29:40 -68.28,-173.80 125.90 04/27/2020 11:29:52 -68.25,-173.82 125.93 3.09 12
5 04/27/2020 12:20:24 68.16, -6.34 53.97 04/27/2020 12:19:19 68.14, -6.31 53.94 2.80 65
6 04/30/2020 02:55:53 68.37, 134.55 53.37 04/30/2020 02:56:48 68.39, 134.60 53.39 3.48 55
7 04/30/2020 03:46:34 -68.22, -57.95 126.80 04/30/2020 03:46:19 -68.23, -57.95 126.79 1.19 15
8 04/30/2020 04:37:06 67.45, 110.31 52.43 04/30/2020 04:35:57 67.49, 108.84 52.47 62.56 69
9 05/02/2020 19:12:47 68.31,-109.61 52.51 05/02/2020 19:13:16 68.30,-109.61 52.49 1.31 29
10 05/02/2020 20:03:28 -68.16, 57.90 127.66 05/02/2020 20:02:47 -68.14, 57.84 127.68 3.24 41
11 05/05/2020 10:39:01 -68.64,-161.57 127.93 05/05/2020 10:40:12 -68.55,-161.06 128.02 22.86 71
12 05/05/2020 11:29:40 68.26, 6.23 51.69 05/05/2020 11:29:42 68.26, 6.24 51.68 0.35 2
13 05/05/2020 12:20:21 -68.11, 173.74 128.48 05/05/2020 12:19:13 -68.11, 173.68 128.48 2.36 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2020
SNOs_Map_NPP_TERRA_20200422.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/22/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service