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: 12/20/2019
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 12/21/2019 10:39:02 68.41, 18.78 91.73 12/21/2019 10:39:59 68.39, 18.74 91.71 2.84 57
2 12/21/2019 11:29:43 -68.27,-173.73 88.41 12/21/2019 11:29:29 -68.27,-173.76 88.41 1.40 14
3 12/21/2019 12:20:16 67.55, -5.53 90.87 12/21/2019 12:19:06 67.61, -6.89 90.93 58.05 70
4 12/24/2019 02:55:55 68.39, 134.57 91.70 12/24/2019 02:56:28 68.38, 134.62 91.69 2.10 33
5 12/24/2019 03:46:36 -68.25, -57.93 88.44 12/24/2019 03:45:58 -68.27, -57.89 88.43 2.52 38
6 12/26/2019 18:22:13 -68.98, 82.27 87.77 12/26/2019 18:23:23 -68.87, 83.45 87.90 48.97 70
7 12/26/2019 19:12:47 68.32,-109.56 91.57 12/26/2019 19:12:58 68.32,-109.58 91.56 1.29 11
8 12/26/2019 20:03:28 -68.18, 57.94 88.58 12/26/2019 20:02:28 -68.21, 57.92 88.56 2.87 60
9 12/29/2019 10:38:56 -68.43,-161.23 88.45 12/29/2019 10:40:00 -68.41,-161.23 88.47 1.66 64
10 12/29/2019 11:29:40 68.31, 6.23 91.44 12/29/2019 11:29:27 68.30, 6.28 91.42 2.55 13
11 12/29/2019 12:20:15 -67.84, 174.14 89.05 12/29/2019 12:19:03 -67.86, 173.39 89.02 31.34 72
12 01/01/2020 02:55:48 -68.41, -45.43 88.64 01/01/2020 02:56:28 -68.39, -45.37 88.67 3.34 40
13 01/01/2020 03:46:31 68.25, 122.09 91.19 01/01/2020 03:45:56 68.22, 122.07 91.16 3.34 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2019
SNOs_Map_NPP_TERRA_20191220.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service