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: 8/21/2019
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 08/23/2019 10:39:38 -68.36,-161.26 123.20 08/23/2019 10:40:14 -68.37,-161.30 123.19 2.13 36
2 08/23/2019 11:30:22 68.24, 6.20 56.69 08/23/2019 11:29:41 68.27, 6.21 56.72 3.31 41
3 08/26/2019 02:05:57 68.81, 146.61 58.16 08/26/2019 02:07:08 68.66, 147.29 58.00 32.04 71
4 08/26/2019 02:56:32 -68.34, -45.46 122.31 08/26/2019 02:56:42 -68.33, -45.48 122.32 1.65 10
5 08/26/2019 03:47:16 68.22, 122.00 57.59 08/26/2019 03:46:09 68.22, 122.03 57.59 1.37 67
6 08/28/2019 18:22:45 68.41, -97.10 58.70 08/28/2019 18:23:40 68.44, -97.10 58.72 2.79 55
7 08/28/2019 19:13:27 -68.32, 70.34 121.39 08/28/2019 19:13:10 -68.33, 70.40 121.38 2.82 17
8 08/28/2019 20:03:58 67.50,-121.33 57.80 08/28/2019 20:02:49 67.55,-122.86 57.86 65.21 69
9 08/31/2019 10:39:40 68.40, 18.69 59.63 08/31/2019 10:40:09 68.38, 18.71 59.61 2.58 29
10 08/31/2019 11:30:21 -68.25,-173.79 120.51 08/31/2019 11:29:39 -68.27,-173.79 120.49 2.71 42
11 09/03/2019 02:05:56 -68.76, -33.32 119.05 09/03/2019 02:07:07 -68.65, -32.73 119.17 26.96 71
12 09/03/2019 02:56:34 68.33, 134.55 60.54 09/03/2019 02:56:38 68.31, 134.51 60.51 3.43 4
13 09/03/2019 03:47:16 -68.23, -58.00 119.56 09/03/2019 03:46:08 -68.20, -57.98 119.58 2.84 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/21/2019
SNOs_Map_NPP_TERRA_20190821.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/21/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service