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: 12/15/2024
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 12/16/2024 01:10:13 73.34, 152.95 96.74 12/16/2024 01:11:24 73.19, 153.66 96.55 28.06 71
2 12/16/2024 02:00:50 -73.00, -38.97 83.63 12/16/2024 02:00:48 -73.01, -39.03 83.62 2.44 2
3 12/16/2024 02:51:26 72.48, 129.41 95.82 12/16/2024 02:50:17 72.50, 127.69 95.92 57.46 69
4 12/18/2024 12:22:38 73.09, -14.62 96.56 12/18/2024 12:23:28 73.09, -14.59 96.55 1.15 50
5 12/18/2024 13:13:20 -72.99, 152.91 83.55 12/18/2024 13:12:50 -73.02, 152.94 83.52 3.41 30
6 12/20/2024 23:35:07 73.05, 177.34 96.57 12/20/2024 23:35:30 73.06, 177.30 96.56 1.45 23
7 12/21/2024 00:25:50 -73.00, -15.23 83.50 12/21/2024 00:24:52 -72.99, -15.16 83.50 2.22 58
8 12/23/2024 09:56:56 -73.32,-158.67 83.16 12/23/2024 09:58:08 -73.24,-158.06 83.28 21.50 72
9 12/23/2024 10:47:36 73.03, 9.28 96.53 12/23/2024 10:47:31 73.03, 9.20 96.54 2.58 5
10 12/23/2024 11:38:10 -72.51, 177.67 84.03 12/23/2024 11:37:01 -72.55, 175.96 83.91 57.14 69
11 12/25/2024 21:09:21 -73.10, 33.70 83.45 12/25/2024 21:10:10 -73.12, 33.68 83.43 3.29 49
12 12/25/2024 22:00:05 73.01,-158.80 96.46 12/25/2024 21:59:31 73.01,-158.87 96.47 2.26 34
13 12/28/2024 08:21:50 -73.08,-134.39 83.56 12/28/2024 08:22:10 -73.08,-134.46 83.57 2.37 20
14 12/28/2024 09:12:34 73.00, 33.10 96.36 12/28/2024 09:11:30 73.01, 33.08 96.37 0.84 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/15/2024
SNOs_Map_NPP_TERRA_20241215.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/15/2024 in txt file.

Historial Predications of SNOs between NPP and TERRA