Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/15/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/15/2025 21:20:46 -0.11, 61.76 -0.04, 61.41 40.13 80
2 11/16/2025 20:59:24 -0.16, 61.75 -1.12, 65.92 475.96 80
3 11/18/2025 09:24:02 0.06, 61.74 -0.19, 60.63 125.88 80
4 11/19/2025 09:02:40 0.11, 61.72 0.90, 65.14 390.91 80
5 11/20/2025 21:27:08 -0.01, 61.67 0.41, 59.90 202.55 80
6 11/21/2025 21:05:47 -0.07, 61.66 -0.68, 64.40 312.81 80
7 11/23/2025 09:30:24 -0.03, 61.67 -0.62, 59.12 291.61 80
8 11/24/2025 09:09:03 0.03, 61.66 0.48, 63.63 224.45 80
9 11/25/2025 21:33:31 0.07, 61.61 0.81, 58.38 368.33 80
10 11/26/2025 21:12:10 0.01, 61.60 -0.29, 62.88 146.54 80
11 11/28/2025 09:36:47 -0.11, 61.64 -1.00, 57.60 459.81 80
12 11/29/2025 09:15:25 -0.06, 61.62 0.05, 62.12 55.93 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/15/2025
SNOs_Map_GOES-15_NOAA-20_20251116.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 11/15/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20