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: 12/13/2018
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 12/13/2018 03:47:18 68.18, 122.05 91.20 12/13/2018 03:46:28 68.18, 122.01 91.19 1.86 50
2 12/15/2018 18:22:48 68.50, -97.22 91.68 12/15/2018 18:23:59 68.45, -97.06 91.62 8.72 71
3 12/15/2018 19:13:28 -68.31, 70.35 88.53 12/15/2018 19:13:30 -68.29, 70.37 88.55 2.42 2
4 12/15/2018 20:04:11 68.13,-122.12 91.31 12/15/2018 20:02:58 68.12,-122.18 91.29 2.73 73
5 12/18/2018 10:39:40 68.35, 18.74 91.63 12/18/2018 10:40:31 68.35, 18.70 91.63 1.82 51
6 12/18/2018 11:30:22 -68.26,-173.82 88.47 12/18/2018 11:30:01 -68.25,-173.80 88.48 1.67 21
7 12/18/2018 12:20:50 67.28, -5.31 90.55 12/18/2018 12:19:42 67.35, -7.18 90.63 80.75 68
8 12/21/2018 02:56:34 68.31, 134.56 91.64 12/21/2018 02:57:02 68.33, 134.54 91.65 1.72 28
9 12/21/2018 03:47:16 -68.22, -58.00 88.47 12/21/2018 03:46:32 -68.23, -57.95 88.46 2.22 44
10 12/23/2018 18:22:51 -68.76, 82.43 87.93 12/23/2018 18:24:02 -68.66, 83.17 88.04 31.89 71
11 12/23/2018 19:13:28 68.28,-109.63 91.59 12/23/2018 19:13:34 68.26,-109.67 91.57 2.51 6
12 12/23/2018 20:04:10 -68.18, 57.82 88.52 12/23/2018 20:03:04 -68.16, 57.85 88.53 2.12 66
13 12/26/2018 10:39:38 -68.40,-161.33 88.35 12/26/2018 10:40:37 -68.39,-161.29 88.38 2.60 59
14 12/26/2018 11:30:21 68.25, 6.19 91.49 12/26/2018 11:30:04 68.27, 6.21 91.51 2.53 17
15 12/26/2018 12:20:53 -67.60, 174.30 89.16 12/26/2018 12:19:43 -67.67, 173.15 89.09 49.37 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/13/2018
SNOs_Map_NPP_TERRA_20181213.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service