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: 3/30/2020
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 03/31/2020 19:12:47 68.35,-109.66 63.70 03/31/2020 19:13:40 68.33,-109.70 63.67 3.11 53
2 03/31/2020 20:03:28 -68.22, 57.82 116.46 03/31/2020 20:03:10 -68.22, 57.80 116.46 0.83 18
3 03/31/2020 20:53:58 67.33,-133.77 62.63 03/31/2020 20:52:50 67.38,-135.52 62.71 75.09 68
4 04/03/2020 11:29:42 68.33, 6.14 62.64 04/03/2020 11:30:08 68.30, 6.15 62.61 2.92 26
5 04/03/2020 12:20:23 -68.19, 173.63 117.52 04/03/2020 12:19:38 -68.20, 173.66 117.51 1.48 45
6 04/06/2020 02:55:55 -68.54, -45.67 118.16 04/06/2020 02:57:07 -68.50, -45.36 118.20 13.19 72
7 04/06/2020 03:46:35 68.25, 122.01 61.54 04/06/2020 03:46:35 68.27, 122.00 61.56 2.11 0
8 04/06/2020 04:37:16 -68.11, -70.50 118.62 04/06/2020 04:36:06 -68.11, -70.55 118.61 2.06 70
9 04/08/2020 19:12:46 -68.35, 70.34 119.35 04/08/2020 19:13:36 -68.36, 70.35 119.35 0.81 50
10 04/08/2020 20:03:30 68.23,-122.20 60.52 04/08/2020 20:03:03 68.23,-122.15 60.52 1.95 27
11 04/08/2020 20:53:56 -67.28, 46.29 120.46 04/08/2020 20:52:48 -67.30, 44.41 120.42 80.54 68
12 04/11/2020 10:39:14 69.23, 17.61 60.57 04/11/2020 10:40:21 69.14, 19.59 60.46 78.70 67
13 04/11/2020 11:29:41 -68.33,-173.86 120.36 04/11/2020 11:30:04 -68.32,-173.80 120.38 2.81 23
14 04/11/2020 12:20:24 68.16, -6.33 59.45 04/11/2020 12:19:32 68.14, -6.37 59.43 2.75 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/30/2020
SNOs_Map_NPP_TERRA_20200330.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/30/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service