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: 9/20/2019
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 09/21/2019 18:22:44 -68.45, 82.88 112.27 09/21/2019 18:23:36 -68.44, 82.89 112.28 0.74 52
2 09/21/2019 19:13:28 68.33,-109.65 67.63 09/21/2019 19:13:03 68.33,-109.60 67.63 2.14 25
3 09/21/2019 20:03:55 -67.44, 58.78 113.25 09/21/2019 20:02:46 -67.50, 57.07 113.20 73.32 69
4 09/24/2019 09:49:14 69.45, 29.97 69.77 09/24/2019 09:50:21 69.34, 32.26 69.66 90.54 67
5 09/24/2019 10:39:38 -68.40,-161.27 111.28 09/24/2019 10:40:06 -68.40,-161.29 111.28 0.96 28
6 09/24/2019 11:30:22 68.28, 6.19 68.62 09/24/2019 11:29:33 68.28, 6.21 68.62 1.15 49
7 09/27/2019 02:05:53 68.60, 146.92 69.96 09/27/2019 02:07:04 68.56, 147.15 69.92 10.32 71
8 09/27/2019 02:56:32 -68.34, -45.43 110.29 09/27/2019 02:56:36 -68.35, -45.48 110.29 2.12 4
9 09/27/2019 03:47:16 68.23, 122.03 69.62 09/27/2019 03:46:03 68.23, 122.02 69.61 0.19 73
10 09/29/2019 18:22:44 68.45, -97.10 70.85 09/29/2019 18:23:34 68.44, -97.12 70.85 0.69 50
11 09/29/2019 19:13:26 -68.35, 70.34 109.24 09/29/2019 19:13:04 -68.35, 70.40 109.24 2.24 22
12 09/29/2019 20:03:53 67.32,-121.08 69.76 09/29/2019 20:02:46 67.38,-123.07 69.80 85.68 67
13 10/02/2019 10:39:38 68.40, 18.73 71.85 10/02/2019 10:40:04 68.38, 18.68 71.82 3.27 26
14 10/02/2019 11:30:20 -68.30,-173.82 108.25 10/02/2019 11:29:34 -68.28,-173.80 108.27 2.12 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2019
SNOs_Map_NPP_TERRA_20190920.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service