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: 6/15/2018
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 06/17/2018 11:30:00 68.73, 5.65 45.25 06/17/2018 11:31:11 68.63, 6.37 45.13 31.31 71
2 06/17/2018 12:20:35 -68.29, 173.56 135.21 06/17/2018 12:20:45 -68.30, 173.61 135.19 3.08 10
3 06/17/2018 13:11:19 68.15, -18.96 44.65 06/17/2018 13:10:13 68.13, -18.95 44.64 1.74 66
4 06/20/2018 03:46:48 68.36, 121.91 44.83 06/20/2018 03:47:46 68.35, 121.90 44.81 2.09 58
5 06/20/2018 04:37:29 -68.24, -70.61 135.30 06/20/2018 04:37:16 -68.25, -70.58 135.29 1.74 13
6 06/20/2018 05:28:03 67.56, 97.54 44.02 06/20/2018 05:26:53 67.57, 96.27 44.04 53.76 70
7 06/22/2018 20:03:41 68.32,-122.26 44.79 06/22/2018 20:04:15 68.34,-122.23 44.81 2.88 34
8 06/22/2018 20:54:22 -68.19, 45.23 135.34 06/22/2018 20:53:46 -68.20, 45.23 135.34 0.44 36
9 06/25/2018 11:30:01 -68.95,-174.62 134.52 06/25/2018 11:31:11 -68.86,-173.36 134.63 51.26 70
10 06/25/2018 12:20:35 68.28, -6.43 44.80 06/25/2018 12:20:46 68.29, -6.42 44.81 0.98 11
11 06/25/2018 13:11:16 -68.15, 161.06 135.33 06/25/2018 13:10:17 -68.14, 161.04 135.34 0.88 59
12 06/28/2018 03:46:45 -68.37, -58.08 135.01 06/28/2018 03:47:50 -68.36, -58.10 135.02 1.11 65
13 06/28/2018 04:37:29 68.24, 109.39 44.87 06/28/2018 04:37:17 68.23, 109.39 44.86 1.00 12
14 06/28/2018 05:28:04 -67.79, -82.71 135.60 06/28/2018 05:26:52 -67.87, -83.41 135.50 30.47 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/15/2018
SNOs_Map_NPP_TERRA_20180615.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service