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: 1/21/2023
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 01/22/2023 12:22:58 -70.55, 170.19 89.76 01/22/2023 12:24:09 -70.53, 170.42 89.80 8.71 71
2 01/22/2023 13:13:40 70.33, -22.16 90.01 01/22/2023 13:13:34 70.36, -22.18 90.03 3.20 6
3 01/22/2023 14:04:16 -69.92, 145.79 90.44 01/22/2023 14:03:04 -70.01, 144.98 90.31 32.45 72
4 01/25/2023 01:16:57 -70.67, -23.48 90.23 01/25/2023 01:18:08 -70.58, -23.03 90.35 19.17 71
5 01/25/2023 02:07:37 70.35, 144.34 89.43 01/25/2023 02:07:34 70.35, 144.29 89.43 1.97 3
6 01/25/2023 02:58:15 -70.04, -47.87 90.91 01/25/2023 02:57:02 -70.11, -48.40 90.81 21.58 73
7 01/27/2023 14:10:55 -70.74, 142.92 90.78 01/27/2023 14:12:06 -70.64, 143.54 90.92 25.47 71
8 01/27/2023 15:01:34 70.37, -49.18 88.82 01/27/2023 15:01:32 70.40, -49.15 88.85 3.24 2
9 01/27/2023 15:52:13 -70.12, 118.54 91.46 01/27/2023 15:51:00 -70.17, 118.17 91.38 15.23 73
10 01/30/2023 03:04:51 -70.77, -50.61 91.42 01/30/2023 03:06:03 -70.66, -49.95 91.57 27.55 72
11 01/30/2023 03:55:30 70.41, 117.29 88.19 01/30/2023 03:55:29 70.41, 117.35 88.19 2.30 1
12 01/30/2023 04:46:09 -70.15, -74.99 92.10 01/30/2023 04:44:57 -70.19, -75.32 92.04 13.30 72
13 02/01/2023 15:58:48 -70.82, 115.84 92.08 02/01/2023 15:59:59 -70.74, 116.66 92.20 31.18 71
14 02/01/2023 16:49:26 70.40, -76.18 87.48 02/01/2023 16:49:27 70.38, -76.21 87.45 3.02 1
15 02/01/2023 17:40:06 -70.19, 91.47 92.76 02/01/2023 17:38:54 -70.21, 91.20 92.72 10.33 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/21/2023
SNOs_Map_NPP_TERRA_20230121.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/21/2023 in txt file.

Historial Predications of SNOs between NPP and TERRA