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: 9/15/2019
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 09/16/2019 09:49:15 -69.51,-150.13 113.27 09/16/2019 09:50:21 -69.45,-147.58 113.34 99.35 66
2 09/16/2019 10:39:40 68.38, 18.73 65.61 09/16/2019 10:40:05 68.40, 18.73 65.63 2.24 25
3 09/16/2019 11:30:20 -68.24,-173.77 114.53 09/16/2019 11:29:35 -68.24,-173.83 114.53 2.76 45
4 09/19/2019 02:05:55 -68.76, -33.31 112.99 09/19/2019 02:07:06 -68.66, -32.73 113.10 25.72 71
5 09/19/2019 02:56:33 68.33, 134.58 66.59 09/19/2019 02:56:37 68.33, 134.51 66.59 2.78 4
6 09/19/2019 03:47:15 -68.23, -57.98 113.50 09/19/2019 03:46:07 -68.23, -57.98 113.51 0.68 68
7 09/21/2019 18:22:44 -68.44, 82.90 112.28 09/21/2019 18:23:43 -68.46, 82.88 112.26 2.75 59
8 09/21/2019 19:13:28 68.33,-109.65 67.63 09/21/2019 19:13:11 68.30,-109.67 67.59 3.41 17
9 09/21/2019 20:04:00 -67.69, 58.47 113.00 09/21/2019 20:02:49 -67.75, 57.32 112.95 48.82 71
10 09/24/2019 10:39:39 -68.44,-161.32 111.24 09/24/2019 10:40:19 -68.41,-161.34 111.27 3.30 40
11 09/24/2019 11:30:22 68.27, 6.20 68.62 09/24/2019 11:29:46 68.30, 6.18 68.64 2.68 36
12 09/27/2019 02:06:06 69.29, 145.98 70.65 09/27/2019 02:07:14 69.15, 147.81 70.52 73.83 68
13 09/27/2019 02:56:32 -68.38, -45.48 110.25 09/27/2019 02:56:55 -68.39, -45.52 110.25 1.47 23
14 09/27/2019 03:47:16 68.28, 121.97 69.66 09/27/2019 03:46:22 68.28, 122.00 69.66 1.16 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/15/2019
SNOs_Map_NPP_TERRA_20190915.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service