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: 1/15/2023
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 01/17/2023 10:35:02 -70.44,-162.67 88.81 01/17/2023 10:36:09 -70.43,-162.68 88.83 1.25 67
2 01/17/2023 11:25:46 70.32, 4.82 91.07 01/17/2023 11:25:33 70.31, 4.81 91.06 1.19 13
3 01/17/2023 12:16:17 -69.65, 173.16 89.65 01/17/2023 12:15:08 -69.68, 171.59 89.55 60.86 69
4 01/19/2023 23:29:00 -70.48, 3.78 89.28 01/19/2023 23:30:10 -70.47, 3.85 89.31 2.84 70
5 01/20/2023 00:19:44 70.37, 171.26 90.60 01/20/2023 00:19:34 70.35, 171.34 90.58 3.42 10
6 01/20/2023 01:10:17 -69.80, -20.54 90.01 01/20/2023 01:09:06 -69.89, -21.66 89.87 43.99 71
7 01/22/2023 12:22:59 -70.58, 170.13 89.73 01/22/2023 12:24:10 -70.53, 170.41 89.80 11.99 71
8 01/22/2023 13:13:41 70.37, -22.22 90.05 01/22/2023 13:13:35 70.35, -22.19 90.02 2.69 6
9 01/22/2023 14:04:17 -69.96, 145.74 90.40 01/22/2023 14:03:05 -70.01, 144.97 90.31 29.65 72
10 01/25/2023 01:16:58 -70.70, -23.53 90.20 01/25/2023 01:18:09 -70.61, -22.99 90.32 22.11 71
11 01/25/2023 02:07:38 70.39, 144.28 89.47 01/25/2023 02:07:35 70.37, 144.31 89.45 2.21 3
12 01/25/2023 02:58:16 -70.07, -47.91 90.88 01/25/2023 02:57:03 -70.14, -48.36 90.78 18.56 73
13 01/27/2023 14:10:56 -70.77, 142.88 90.76 01/27/2023 14:12:08 -70.65, 143.55 90.92 27.97 72
14 01/27/2023 15:01:35 70.41, -49.23 88.86 01/27/2023 15:01:34 70.40, -49.15 88.85 2.87 1
15 01/27/2023 15:52:14 -70.14, 118.50 91.44 01/27/2023 15:51:02 -70.18, 118.17 91.38 12.88 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/15/2023
SNOs_Map_NPP_TERRA_20230115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/15/2023 in txt file.

Historial Predications of SNOs between NPP and TERRA