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: 1/18/2019
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 01/19/2019 10:39:33 68.38, 18.70 88.66 01/19/2019 10:40:28 68.35, 18.71 88.63 2.41 55
2 01/19/2019 11:30:14 -68.23,-173.80 91.50 01/19/2019 11:29:58 -68.24,-173.79 91.49 1.09 16
3 01/19/2019 12:20:46 67.47, -5.54 87.70 01/19/2019 12:19:36 67.52, -6.99 87.80 61.87 70
4 01/22/2019 02:56:25 68.31, 134.56 88.00 01/22/2019 02:56:56 68.34, 134.57 88.03 3.41 31
5 01/22/2019 03:47:06 -68.16, -57.93 92.16 01/22/2019 03:46:27 -68.17, -58.00 92.14 2.97 39
6 01/24/2019 18:22:42 -68.78, 82.41 92.13 01/24/2019 18:23:53 -68.71, 83.26 92.23 35.24 71
7 01/24/2019 19:13:19 68.29,-109.64 87.36 01/24/2019 19:13:26 68.26,-109.64 87.33 3.03 7
8 01/24/2019 20:04:00 -68.14, 57.86 92.80 01/24/2019 20:02:56 -68.16, 57.87 92.78 1.76 64
9 01/27/2019 10:39:29 -68.39,-161.31 93.20 01/27/2019 10:40:28 -68.36,-161.28 93.23 2.86 59
10 01/27/2019 11:30:12 68.22, 6.22 86.63 01/27/2019 11:29:55 68.25, 6.22 86.65 2.69 17
11 01/27/2019 12:20:44 -67.59, 174.32 94.04 01/27/2019 12:19:34 -67.64, 173.15 93.95 49.85 70
12 01/30/2019 02:56:22 -68.32, -45.45 93.97 01/30/2019 02:56:58 -68.30, -45.49 94.00 3.17 36
13 01/30/2019 03:47:05 68.16, 122.07 85.85 01/30/2019 03:46:25 68.17, 122.02 85.88 3.28 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/18/2019
SNOs_Map_NPP_TERRA_20190118.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/18/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service