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: 12/2/2019
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 12/02/2019 18:22:20 68.45, -97.07 90.33 12/02/2019 18:23:30 68.44, -97.08 90.31 2.04 70
2 12/02/2019 19:13:01 -68.33, 70.41 89.80 12/02/2019 19:13:00 -68.32, 70.42 89.80 0.43 1
3 12/02/2019 20:03:42 68.03,-121.91 89.92 12/02/2019 20:02:29 68.10,-122.20 89.99 14.64 73
4 12/05/2019 10:39:13 68.42, 18.74 90.66 12/05/2019 10:39:59 68.43, 18.80 90.68 2.64 46
5 12/05/2019 11:29:54 -68.29,-173.77 89.47 12/05/2019 11:29:30 -68.27,-173.77 89.49 2.41 24
6 12/05/2019 12:20:20 67.19, -5.11 89.45 12/05/2019 12:19:13 67.26, -7.28 89.50 93.64 67
7 12/08/2019 02:05:40 -69.47, -34.23 87.97 12/08/2019 02:06:46 -69.37, -31.78 88.07 96.46 66
8 12/08/2019 02:56:06 68.39, 134.56 90.95 12/08/2019 02:56:29 68.37, 134.60 90.93 2.98 23
9 12/08/2019 03:46:47 -68.26, -57.95 89.19 12/08/2019 03:45:59 -68.26, -57.89 89.18 2.52 48
10 12/10/2019 18:22:17 -68.65, 82.69 88.54 12/10/2019 18:23:28 -68.58, 83.10 88.61 17.96 71
11 12/10/2019 19:12:57 68.31,-109.57 91.13 12/10/2019 19:12:58 68.30,-109.60 91.12 1.62 1
12 12/10/2019 20:03:38 -68.17, 57.93 89.01 12/10/2019 20:02:28 -68.20, 57.91 88.99 3.00 70
13 12/13/2019 10:39:06 -68.40,-161.22 88.58 12/13/2019 10:40:00 -68.40,-161.24 88.58 1.11 54
14 12/13/2019 11:29:50 68.29, 6.24 91.31 12/13/2019 11:29:27 68.28, 6.26 91.31 0.91 23
15 12/13/2019 12:20:18 -67.44, 174.60 89.53 12/13/2019 12:19:09 -67.51, 173.00 89.47 68.66 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/2/2019
SNOs_Map_NPP_TERRA_20191202.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/02/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service