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: 4/9/2020
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 04/11/2020 10:39:14 69.23, 17.60 60.58 04/11/2020 10:40:21 69.12, 19.56 60.43 78.45 67
2 04/11/2020 11:29:40 -68.29,-173.82 120.40 04/11/2020 11:30:04 -68.28,-173.84 120.41 1.51 24
3 04/11/2020 12:20:24 68.16, -6.34 59.46 04/11/2020 12:19:31 68.17, -6.33 59.47 0.97 53
4 04/14/2020 02:55:53 68.36, 134.56 58.71 04/14/2020 02:57:02 68.35, 134.49 58.69 2.82 69
5 04/14/2020 03:46:35 -68.27, -58.02 121.40 04/14/2020 03:46:32 -68.24, -58.00 121.43 3.34 3
6 04/14/2020 04:37:14 67.88, 109.79 58.19 04/14/2020 04:36:02 67.96, 109.31 58.28 22.12 72
7 04/16/2020 19:12:48 68.34,-109.65 57.74 04/16/2020 19:13:29 68.35,-109.61 57.75 2.34 41
8 04/16/2020 20:03:29 -68.20, 57.85 122.42 04/16/2020 20:03:00 -68.20, 57.83 122.43 0.77 29
9 04/19/2020 10:39:11 -69.08,-162.18 122.43 04/19/2020 10:40:20 -68.98,-160.60 122.56 64.15 69
10 04/19/2020 11:29:42 68.27, 6.21 56.73 04/19/2020 11:29:57 68.30, 6.21 56.76 3.43 15
11 04/19/2020 12:20:23 -68.12, 173.71 123.43 04/19/2020 12:19:28 -68.14, 173.66 123.41 3.14 55
12 04/22/2020 02:55:52 -68.37, -45.46 124.07 04/22/2020 02:56:57 -68.37, -45.46 124.08 0.51 65
13 04/22/2020 03:46:36 68.26, 122.00 55.81 04/22/2020 03:46:24 68.24, 122.03 55.79 2.08 12
14 04/22/2020 04:37:11 -67.78, -70.09 124.68 04/22/2020 04:35:59 -67.87, -70.78 124.60 30.17 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/9/2020
SNOs_Map_NPP_TERRA_20200409.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/09/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service