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: 9/18/2019
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 09/19/2019 02:05:53 -68.64, -33.14 113.12 09/19/2019 02:07:05 -68.57, -32.83 113.19 14.31 72
2 09/19/2019 02:56:34 68.36, 134.54 66.62 09/19/2019 02:56:34 68.35, 134.55 66.61 0.76 0
3 09/19/2019 03:47:15 -68.21, -57.96 113.52 09/19/2019 03:46:04 -68.24, -57.95 113.49 3.13 71
4 09/21/2019 18:22:44 -68.42, 82.93 112.30 09/21/2019 18:23:37 -68.42, 82.86 112.30 2.79 53
5 09/21/2019 19:13:28 68.30,-109.62 67.60 09/21/2019 19:13:04 68.31,-109.63 67.60 0.87 24
6 09/21/2019 20:03:56 -67.46, 58.75 113.23 09/21/2019 20:02:47 -67.48, 57.04 113.22 73.05 69
7 09/24/2019 09:49:14 69.47, 29.94 69.80 09/24/2019 09:50:20 69.37, 32.30 69.70 93.15 66
8 09/24/2019 10:39:38 -68.42,-161.30 111.26 09/24/2019 10:40:05 -68.43,-161.25 111.25 2.27 27
9 09/24/2019 11:30:21 68.25, 6.23 68.59 09/24/2019 11:29:33 68.26, 6.18 68.60 2.05 48
10 09/27/2019 02:05:52 68.57, 146.96 69.93 09/27/2019 02:07:04 68.54, 147.12 69.89 7.29 72
11 09/27/2019 02:56:32 -68.36, -45.45 110.27 09/27/2019 02:56:35 -68.38, -45.44 110.25 1.86 3
12 09/27/2019 03:47:15 68.20, 122.07 69.59 09/27/2019 03:46:03 68.20, 122.00 69.59 3.08 72
13 09/29/2019 18:22:45 68.47, -97.13 70.87 09/29/2019 18:23:34 68.48, -97.08 70.88 2.36 49
14 09/29/2019 19:13:26 -68.31, 70.39 109.28 09/29/2019 19:13:05 -68.32, 70.37 109.27 1.56 21
15 09/29/2019 20:03:54 67.34,-121.10 69.78 09/29/2019 20:02:46 67.42,-123.03 69.84 83.21 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/18/2019
SNOs_Map_NPP_TERRA_20190918.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/18/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service