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: 8/12/2019
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 08/12/2019 18:22:44 68.44, -97.14 53.47 08/12/2019 18:23:45 68.43, -97.11 53.45 1.37 61
2 08/12/2019 19:13:25 -68.30, 70.35 126.67 08/12/2019 19:13:15 -68.32, 70.39 126.65 2.29 10
3 08/12/2019 20:04:01 67.74,-121.63 52.77 08/12/2019 20:02:50 67.76,-122.62 52.82 41.48 71
4 08/15/2019 10:39:39 68.41, 18.67 54.26 08/15/2019 10:40:14 68.40, 18.73 54.24 2.88 35
5 08/15/2019 11:30:20 -68.27,-173.83 125.88 08/15/2019 11:29:44 -68.29,-173.77 125.86 3.30 36
6 08/18/2019 02:05:59 -68.98, -33.64 124.32 08/18/2019 02:07:09 -68.86, -32.46 124.47 48.88 70
7 08/18/2019 02:56:33 68.33, 134.54 55.02 08/18/2019 02:56:44 68.30, 134.50 54.99 3.39 11
8 08/18/2019 03:47:14 -68.19, -57.96 125.12 08/18/2019 03:46:14 -68.20, -58.00 125.11 2.01 60
9 08/20/2019 18:22:44 -68.42, 82.89 124.03 08/20/2019 18:23:45 -68.43, 82.89 124.03 1.05 61
10 08/20/2019 19:13:28 68.31,-109.66 55.87 08/20/2019 19:13:12 68.32,-109.60 55.88 2.42 16
11 08/20/2019 20:04:01 -67.73, 58.39 124.71 08/20/2019 20:02:50 -67.77, 57.38 124.66 42.62 71
12 08/23/2019 10:39:38 -68.40,-161.31 123.16 08/23/2019 10:40:13 -68.39,-161.29 123.18 1.29 35
13 08/23/2019 11:30:21 68.23, 6.22 56.68 08/23/2019 11:29:41 68.22, 6.15 56.67 3.09 40
14 08/26/2019 02:05:57 68.80, 146.62 58.15 08/26/2019 02:07:08 68.66, 147.30 58.00 31.19 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/12/2019
SNOs_Map_NPP_TERRA_20190812.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/12/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service