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: 12/22/2018
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 12/23/2018 18:22:48 -68.63, 82.61 88.06 12/23/2018 18:23:59 -68.54, 83.04 88.15 20.36 71
2 12/23/2018 19:13:27 68.25,-109.59 91.56 12/23/2018 19:13:29 68.27,-109.65 91.58 2.89 2
3 12/23/2018 20:04:09 -68.16, 57.85 88.54 12/23/2018 20:02:59 -68.16, 57.86 88.54 0.43 70
4 12/26/2018 10:39:38 -68.38,-161.29 88.38 12/26/2018 10:40:31 -68.39,-161.26 88.37 1.86 53
5 12/26/2018 11:30:21 68.21, 6.23 91.46 12/26/2018 11:29:59 68.22, 6.18 91.47 2.17 22
6 12/26/2018 12:20:50 -67.42, 174.53 89.35 12/26/2018 12:19:41 -67.45, 172.92 89.31 68.75 69
7 12/29/2018 02:06:09 69.46, 145.69 92.61 12/29/2018 02:07:15 69.34, 148.18 92.46 98.54 66
8 12/29/2018 02:56:32 -68.34, -45.47 88.54 12/29/2018 02:57:01 -68.35, -45.44 88.53 1.56 29
9 12/29/2018 03:47:15 68.18, 122.04 91.30 12/29/2018 03:46:29 68.17, 122.00 91.30 1.70 46
10 12/31/2018 18:22:47 68.57, -97.32 91.53 12/31/2018 18:23:59 68.51, -96.99 91.46 15.20 72
11 12/31/2018 19:13:26 -68.31, 70.34 88.75 12/31/2018 19:13:31 -68.30, 70.38 88.76 2.03 5
12 12/31/2018 20:04:09 68.15,-122.15 91.10 12/31/2018 20:02:59 68.12,-122.18 91.07 3.18 70
13 01/03/2019 10:39:37 68.38, 18.69 91.11 01/03/2019 10:40:29 68.40, 18.75 91.12 2.80 52
14 01/03/2019 11:30:18 -68.22,-173.78 89.06 01/03/2019 11:30:00 -68.24,-173.80 89.04 2.47 18
15 01/03/2019 12:20:48 67.36, -5.42 90.07 01/03/2019 12:19:40 67.39, -7.13 90.12 73.49 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/22/2018
SNOs_Map_NPP_TERRA_20181222.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service