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: 12/19/2019
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, 18.77 91.74 12/21/2019 10:39:59 68.39, 18.74 91.71 2.93 57
2 12/21/2019 11:29:43 -68.28,-173.73 88.41 12/21/2019 11:29:29 -68.27,-173.76 88.41 1.21 14
3 12/21/2019 12:20:16 67.56, -5.53 90.87 12/21/2019 12:19:06 67.61, -6.89 90.93 57.82 70
4 12/24/2019 02:55:55 68.39, 134.57 91.71 12/24/2019 02:56:28 68.39, 134.62 91.70 2.31 33
5 12/24/2019 03:46:36 -68.25, -57.93 88.44 12/24/2019 03:45:58 -68.28, -57.88 88.42 3.24 38
6 12/26/2019 18:22:13 -68.98, 82.26 87.77 12/26/2019 18:23:23 -68.88, 83.47 87.88 49.32 70
7 12/26/2019 19:12:47 68.33,-109.56 91.57 12/26/2019 19:12:58 68.33,-109.57 91.57 0.36 11
8 12/26/2019 20:03:29 -68.24, 57.87 88.53 12/26/2019 20:02:28 -68.22, 57.94 88.54 3.21 61
9 12/29/2019 10:38:56 -68.42,-161.22 88.45 12/29/2019 10:40:00 -68.43,-161.20 88.45 1.30 64
10 12/29/2019 11:29:39 68.26, 6.30 91.38 12/29/2019 11:29:28 68.27, 6.24 91.39 2.53 11
11 12/29/2019 12:20:15 -67.84, 174.14 89.05 12/29/2019 12:19:03 -67.88, 173.42 89.00 30.51 72
12 01/01/2020 02:55:47 -68.36, -45.36 88.70 01/01/2020 02:56:29 -68.37, -45.40 88.69 2.25 42
13 01/01/2020 03:46:31 68.25, 122.09 91.19 01/01/2020 03:45:56 68.26, 122.11 91.20 1.17 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/19/2019
SNOs_Map_NPP_TERRA_20191219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service