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: 4/15/2020
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 04/16/2020 19:12:47 68.32,-109.63 57.72 04/16/2020 19:13:29 68.32,-109.66 57.71 1.51 42
2 04/16/2020 20:03:28 -68.19, 57.86 122.43 04/16/2020 20:02:59 -68.21, 57.84 122.42 2.10 29
3 04/19/2020 10:39:10 -69.08,-162.18 122.44 04/19/2020 10:40:19 -68.99,-160.58 122.54 64.08 69
4 04/19/2020 11:29:41 68.26, 6.22 56.72 04/19/2020 11:29:57 68.27, 6.17 56.73 2.44 16
5 04/19/2020 12:20:23 -68.17, 173.65 123.38 04/19/2020 12:19:27 -68.16, 173.67 123.40 1.95 56
6 04/22/2020 02:55:52 -68.37, -45.46 124.07 04/22/2020 02:56:57 -68.39, -45.45 124.06 1.62 65
7 04/22/2020 03:46:36 68.25, 122.01 55.80 04/22/2020 03:46:24 68.27, 122.06 55.82 2.86 12
8 04/22/2020 04:37:11 -67.79, -70.09 124.68 04/22/2020 04:35:59 -67.89, -70.76 124.58 30.11 72
9 04/24/2020 19:12:46 -68.31, 70.40 125.02 04/24/2020 19:13:25 -68.33, 70.38 125.00 2.83 39
10 04/24/2020 20:03:30 68.19,-122.15 54.86 04/24/2020 20:02:52 68.21,-122.12 54.88 2.54 38
11 04/27/2020 10:39:06 68.83, 18.17 54.67 04/27/2020 10:40:16 68.71, 19.10 54.54 39.75 70
12 04/27/2020 11:29:40 -68.30,-173.82 125.88 04/27/2020 11:29:52 -68.28,-173.80 125.91 2.83 12
13 04/27/2020 12:20:23 68.13, -6.30 53.94 04/27/2020 12:19:19 68.15, -6.30 53.96 2.17 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2020
SNOs_Map_NPP_TERRA_20200415.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/15/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service