Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/16/2023

Index	Date	Time (GOES-18)	GOES-18 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	04/16/2023	10:19:59	-0.00,-136.99	-0.72,-133.72	372.88	80
2	04/17/2023	22:39:13	0.00,-136.98	-0.42,-139.02	231.93	80
3	04/18/2023	22:23:06	0.00,-136.98	0.53,-134.47	284.78	80
4	04/20/2023	10:42:11	-0.00,-136.98	0.62,-139.74	315.12	80
5	04/21/2023	10:26:04	0.00,-136.97	-0.40,-135.20	201.15	80
6	04/22/2023	22:45:18	-0.00,-136.94	-0.78,-140.50	404.69	80
7	04/23/2023	22:29:11	0.00,-136.93	0.25,-135.96	111.18	80
8	04/25/2023	10:50:56	-0.00,-136.92	0.95,-141.22	489.96	80
9	04/26/2023	10:29:29	-0.01,-136.90	-0.08,-136.68	25.63	80
10	04/28/2023	22:32:35	0.01,-136.85	-0.11,-137.43	66.07	80
11	04/29/2023	22:16:28	0.01,-136.83	0.87,-132.89	449.23	80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/16/2023

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/16/2023 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21