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: 9/22/2019
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 09/24/2019 09:49:14 69.47, 29.94 69.79 09/24/2019 09:50:20 69.37, 32.31 69.70 93.09 66
2 09/24/2019 10:39:38 -68.42,-161.30 111.26 09/24/2019 10:40:05 -68.43,-161.25 111.25 2.50 27
3 09/24/2019 11:30:21 68.24, 6.23 68.59 09/24/2019 11:29:33 68.27, 6.19 68.60 2.89 48
4 09/27/2019 02:05:53 68.62, 146.89 69.98 09/27/2019 02:07:03 68.60, 147.19 69.96 12.38 70
5 09/27/2019 02:56:32 -68.36, -45.45 110.27 09/27/2019 02:56:35 -68.38, -45.44 110.25 2.00 3
6 09/27/2019 03:47:15 68.20, 122.07 69.58 09/27/2019 03:46:03 68.21, 122.01 69.59 3.32 72
7 09/29/2019 18:22:45 68.47, -97.13 70.87 09/29/2019 18:23:34 68.48, -97.07 70.89 3.00 49
8 09/29/2019 19:13:26 -68.32, 70.38 109.27 09/29/2019 19:13:05 -68.33, 70.37 109.27 1.17 21
9 09/29/2019 20:03:54 67.34,-121.10 69.78 09/29/2019 20:02:47 67.37,-123.09 69.78 85.26 67
10 10/02/2019 10:39:39 68.42, 18.71 71.86 10/02/2019 10:40:04 68.42, 18.73 71.86 0.98 25
11 10/02/2019 11:30:19 -68.27,-173.78 108.28 10/02/2019 11:29:34 -68.26,-173.83 108.29 1.98 45
12 10/05/2019 02:05:52 -68.70, -33.20 106.84 10/05/2019 02:07:03 -68.64, -32.77 106.90 18.71 71
13 10/05/2019 02:56:32 68.38, 134.54 72.86 10/05/2019 02:56:32 68.40, 134.59 72.88 3.24 0
14 10/05/2019 03:47:13 -68.23, -57.95 107.28 10/05/2019 03:46:03 -68.25, -57.96 107.26 2.70 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/22/2019
SNOs_Map_NPP_TERRA_20190922.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/22/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service