Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/9/2025

Index	Date (NOAA-20)	Time (NOAA-20)	Lat,Lon (NOAA-20)	SZA (NOAA-20 )	Date (LANDSAT-8)	Time (LANDSAT-8)	Lat,Lon (LANDSAT-8)	SZA (LANDSAT-8 )	Distance(km)	Time Diff (sec)
1	10/10/2025	15:18:02	70.27, -53.61	77.07	10/10/2025	15:19:13	70.22, -53.14	77.01	18.49	71
2	10/10/2025	16:08:41	-70.02, 114.11	103.18	10/10/2025	16:08:45	-70.00, 114.18	103.20	3.51	4
3	10/10/2025	16:59:24	69.86, -78.35	76.68	10/10/2025	16:58:13	69.84, -78.40	76.66	2.91	71
4	10/13/2025	07:34:50	70.09, 62.47	77.88	10/13/2025	07:35:45	70.08, 62.54	77.87	2.60	55
5	10/13/2025	08:25:31	-69.94,-129.98	102.26	10/13/2025	08:25:15	-69.97,-129.98	102.23	3.55	16
6	10/13/2025	09:16:02	69.14, 38.48	76.96	10/13/2025	09:14:54	69.20, 36.62	77.02	74.06	68
7	10/15/2025	23:51:40	70.02, 178.38	78.80	10/15/2025	23:52:15	70.02, 178.33	78.81	1.65	35
8	10/16/2025	00:42:22	-69.92, -14.16	101.29	10/16/2025	00:41:45	-69.91, -14.18	101.29	1.01	37
9	10/18/2025	15:17:59	-70.73, 125.72	99.51	10/18/2025	15:19:07	-70.65, 127.49	99.60	65.72	68
10	10/18/2025	16:08:31	70.00, -65.81	79.77	10/18/2025	16:08:44	69.99, -65.82	79.75	1.86	13
11	10/18/2025	16:59:13	-69.91, 101.65	100.32	10/18/2025	16:58:14	-69.88, 101.66	100.34	2.38	59
12	10/21/2025	07:34:37	-70.10,-117.48	99.19	10/21/2025	07:35:44	-70.10,-117.42	99.19	2.08	67
13	10/21/2025	08:25:21	70.00, 49.99	80.73	10/21/2025	08:25:11	69.99, 50.06	80.71	3.25	10
14	10/21/2025	09:15:57	-69.59,-142.08	99.68	10/21/2025	09:14:45	-69.67,-142.75	99.61	27.58	72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/9/2025

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/09/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8