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 -68.38,-161.29 123.18 08/23/2019 10:40:14 -68.36,-161.32 123.20 3.08 36
2 08/23/2019 11:30:22 68.26, 6.18 56.71 08/23/2019 11:29:41 68.26, 6.20 56.71 0.94 41
3 08/26/2019 02:05:58 68.83, 146.58 58.18 08/26/2019 02:07:08 68.72, 147.36 58.06 33.68 70
4 08/26/2019 02:56:32 -68.31, -45.42 122.34 08/26/2019 02:56:43 -68.33, -45.48 122.32 3.55 11
5 08/26/2019 03:47:17 68.24, 121.98 57.61 08/26/2019 03:46:10 68.22, 122.03 57.59 3.35 67
6 08/28/2019 18:22:45 68.43, -97.12 58.72 08/28/2019 18:23:40 68.46, -97.08 58.74 3.29 55
7 08/28/2019 19:13:26 -68.28, 70.39 121.43 08/28/2019 19:13:11 -68.29, 70.36 121.42 1.57 15
8 08/28/2019 20:03:58 67.52,-121.36 57.81 08/28/2019 20:02:49 67.56,-122.84 57.88 63.44 69
9 08/31/2019 10:39:39 68.36, 18.74 59.60 08/31/2019 10:40:10 68.36, 18.69 59.60 2.23 31
10 08/31/2019 11:30:21 -68.26,-173.81 120.49 08/31/2019 11:29:40 -68.26,-173.81 120.50 0.68 41
11 09/03/2019 02:05:56 -68.77, -33.34 119.03 09/03/2019 02:07:08 -68.66, -32.71 119.15 28.15 72
12 09/03/2019 02:56:34 68.35, 134.53 60.55 09/03/2019 02:56:39 68.33, 134.52 60.53 2.31 5
13 09/03/2019 03:47:16 -68.24, -58.02 119.54 09/03/2019 03:46:09 -68.22, -57.97 119.56 3.10 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/21/2019
SNOs_Map_NPP_TERRA_20190822.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