Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between METOP-A and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/20/2019
Index Date (METOP-A) Time (METOP-A) Lat,Lon (METOP-A) SZA (METOP-A ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 07/20/2019 23:09:22 -74.33, 0.77 125.83 07/20/2019 23:10:02 -74.35, 0.70 125.82 2.69 40
2 07/21/2019 00:00:02 74.33, 168.10 54.18 07/21/2019 00:00:48 74.35, 168.02 54.19 2.82 46
3 07/21/2019 00:50:44 -74.32, -24.61 125.83 07/21/2019 00:51:31 -74.31, -24.56 125.86 2.14 47
4 07/21/2019 01:41:24 74.31, 142.71 54.18 07/21/2019 01:42:17 74.30, 142.76 54.15 2.02 53
5 07/21/2019 02:32:06 -74.30, -50.00 125.83 07/21/2019 02:33:01 -74.31, -49.94 125.84 2.29 55
6 07/21/2019 03:22:46 74.29, 117.32 54.18 07/21/2019 03:23:47 74.31, 117.38 54.17 2.13 61
7 07/21/2019 04:13:27 -74.33, -75.27 125.79 07/21/2019 04:14:31 -74.31, -75.33 125.82 2.36 64
8 07/21/2019 05:04:07 74.32, 92.06 54.22 07/21/2019 05:05:17 74.31, 91.99 54.19 2.52 70
9 07/21/2019 05:54:49 -74.31,-100.66 125.79 07/21/2019 05:56:01 -74.32,-100.71 125.80 1.89 72
10 07/21/2019 06:45:31 74.16, 66.30 54.10 07/21/2019 06:46:44 74.22, 66.86 54.09 18.14 73
11 07/21/2019 07:36:14 -74.09,-126.53 125.95 07/21/2019 07:37:26 -74.13,-125.60 126.01 28.60 72
12 07/21/2019 08:26:59 73.84, 40.20 53.86 07/21/2019 08:28:07 73.88, 42.33 53.72 66.00 68
13 07/21/2019 09:17:42 -73.78,-152.62 126.18 07/21/2019 09:18:50 -73.84,-150.26 126.32 73.63 68

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 7/20/2019
SNOs_Map_METOP-A_NPP_20190721.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 07/20/2019 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service