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: 5/11/2023

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	05/11/2023	04:53:04	-70.89, -77.52	126.99	05/11/2023	04:54:14	-70.83, -76.27	127.08	46.17	70
2	05/11/2023	05:43:40	70.36, 90.65	52.46	05/11/2023	05:43:48	70.35, 90.66	52.44	1.67	8
3	05/11/2023	06:34:21	-70.22,-101.81	127.70	05/11/2023	06:33:18	-70.23,-101.87	127.69	2.69	63
4	05/13/2023	21:09:49	-70.43, 39.00	128.14	05/13/2023	21:10:49	-70.45, 39.03	128.13	1.98	60
5	05/13/2023	22:00:33	70.32,-153.52	51.74	05/13/2023	22:00:16	70.34,-153.47	51.76	2.90	17
6	05/13/2023	22:51:05	-69.70, 14.74	128.90	05/13/2023	22:49:55	-69.74, 13.30	128.84	55.43	70
7	05/16/2023	13:26:41	-70.40, 154.83	128.81	05/16/2023	13:27:16	-70.41, 154.86	128.81	1.58	35
8	05/16/2023	14:17:25	70.29, -37.70	51.08	05/16/2023	14:16:43	70.30, -37.65	51.09	2.00	42
9	05/19/2023	04:52:59	70.84, 102.56	51.06	05/19/2023	04:54:09	70.71, 103.56	50.91	39.20	70
10	05/19/2023	05:43:34	-70.37, -89.37	129.43	05/19/2023	05:43:43	-70.39, -89.29	129.42	3.09	9
11	05/19/2023	06:34:17	70.22, 78.18	50.40	05/19/2023	06:33:11	70.22, 78.11	50.41	2.71	66
12	05/21/2023	21:09:44	70.41,-140.97	50.06	05/21/2023	21:10:40	70.43,-140.97	50.08	2.77	56
13	05/21/2023	22:00:26	-70.30, 26.51	130.06	05/21/2023	22:00:10	-70.33, 26.51	130.04	2.48	16
14	05/21/2023	22:50:57	69.52,-165.00	49.13	05/21/2023	22:49:49	69.55,-166.93	49.21	75.24	68
15	05/24/2023	13:26:37	70.41, -25.19	49.54	05/24/2023	13:27:06	70.39, -25.14	49.52	2.57	29
16	05/24/2023	14:17:19	-70.30, 142.29	130.58	05/24/2023	14:16:36	-70.29, 142.34	130.59	2.33	43

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/11/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/11/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9