Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/21/2023

Index	Date (NPP)	Time (NPP)	Lat,Lon (NPP)	SZA (NPP )	Date (LANDSAT-9)	Time (LANDSAT-9)	Lat,Lon (LANDSAT-9)	SZA (LANDSAT-9 )	Distance(km)	Time Diff (sec)
1	06/22/2023	21:09:16	70.62,-141.26	47.15	06/22/2023	21:10:27	70.54,-140.67	47.05	23.02	71
2	06/22/2023	21:59:53	-70.27, 26.61	133.22	06/22/2023	22:00:00	-70.27, 26.55	133.22	2.27	7
3	06/22/2023	22:50:37	70.15,-165.90	46.67	06/22/2023	22:49:27	70.16,-165.95	46.69	2.33	70
4	06/25/2023	13:26:03	70.37, -25.09	46.94	06/25/2023	13:26:59	70.35, -25.07	46.92	2.02	56
5	06/25/2023	14:16:44	-70.23, 142.45	133.21	06/25/2023	14:16:29	-70.24, 142.41	133.19	2.49	15
6	06/25/2023	15:07:15	69.43, -49.05	45.96	06/25/2023	15:06:07	69.53, -50.95	46.13	75.06	68
7	06/28/2023	05:42:54	70.34, 90.74	47.01	06/28/2023	05:43:27	70.35, 90.82	47.02	3.39	33
8	06/28/2023	06:33:35	-70.19,-101.72	133.14	06/28/2023	06:32:58	-70.19,-101.78	133.13	2.22	37
9	06/30/2023	21:09:10	-70.94, 38.23	132.20	06/30/2023	21:10:19	-70.88, 39.86	132.33	59.63	69
10	06/30/2023	21:59:43	70.26,-153.36	47.08	06/30/2023	21:59:55	70.27,-153.40	47.09	2.12	12
11	06/30/2023	22:50:25	-70.17, 14.10	133.01	06/30/2023	22:49:25	-70.17, 14.08	133.00	0.75	60
12	07/03/2023	13:25:50	-70.35, 154.98	132.63	07/03/2023	13:26:56	-70.34, 154.95	132.65	1.23	66
13	07/03/2023	14:16:34	70.24, -37.55	47.26	07/03/2023	14:16:23	70.22, -37.58	47.25	2.31	11
14	07/03/2023	15:07:09	-69.78, 130.47	133.22	07/03/2023	15:05:58	-69.85, 129.52	133.11	37.08	71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/21/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/21/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9