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: 1/16/2023

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	01/16/2023	14:16:58	-70.17, 142.25	88.94	01/16/2023	14:17:33	-70.16, 142.22	88.94	1.05	35
2	01/16/2023	15:07:42	70.05, -50.26	90.94	01/16/2023	15:07:00	70.06, -50.28	90.95	1.32	42
3	01/19/2023	05:43:16	70.42, 90.31	90.81	01/19/2023	05:44:27	70.37, 90.78	90.74	18.14	71
4	01/19/2023	06:33:55	-70.16,-101.98	89.47	01/19/2023	06:33:59	-70.15,-101.91	89.49	3.10	4
5	01/19/2023	07:24:39	70.05, 65.51	90.41	01/19/2023	07:23:26	70.04, 65.58	90.41	3.05	73
6	01/21/2023	22:00:09	70.22,-153.61	90.03	01/21/2023	22:00:55	70.19,-153.58	89.99	3.10	46
7	01/21/2023	22:50:50	-70.07, 13.94	90.14	01/21/2023	22:50:25	-70.08, 13.89	90.12	2.43	25
8	01/24/2023	13:26:33	-70.98, 153.63	89.79	01/24/2023	13:27:41	-70.85, 155.64	90.00	74.69	68
9	01/24/2023	14:17:03	70.14, -37.71	89.33	01/24/2023	14:17:19	70.13, -37.77	89.32	2.46	16
10	01/24/2023	15:07:45	-70.04, 129.76	90.79	01/24/2023	15:06:49	-70.02, 129.71	90.80	2.47	56
11	01/27/2023	05:43:15	-70.23, -89.38	91.24	01/27/2023	05:44:15	-70.25, -89.34	91.23	3.10	60
12	01/27/2023	06:33:59	70.12, 78.09	88.65	01/27/2023	06:33:42	70.13, 78.14	88.66	2.07	17
13	01/27/2023	07:24:31	-69.49,-113.65	92.03	01/27/2023	07:23:21	-69.53,-115.06	91.93	55.06	70
14	01/29/2023	22:00:10	-70.17, 26.48	92.00	01/29/2023	22:00:39	-70.15, 26.42	92.02	2.86	29
15	01/29/2023	22:50:54	70.07,-166.05	87.89	01/29/2023	22:50:05	70.09,-166.02	87.91	2.25	49

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/16/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/16/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9