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: 7/30/2023

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	07/30/2023	05:43:11	70.27, 90.68	51.70	07/30/2023	05:43:50	70.29, 90.71	51.71	2.29	39
2	07/30/2023	06:33:53	-70.19,-101.88	128.38	07/30/2023	06:33:20	-70.17,-101.83	128.40	3.08	33
3	08/01/2023	21:09:36	-71.13, 37.75	126.75	08/01/2023	21:10:43	-71.00, 40.02	126.96	83.11	67
4	08/01/2023	22:00:05	70.22,-153.47	52.31	08/01/2023	22:00:23	70.20,-153.55	52.28	3.54	18
5	08/01/2023	22:50:47	-70.14, 13.97	127.77	08/01/2023	22:49:52	-70.14, 14.00	127.77	1.10	55
6	08/04/2023	13:26:15	-70.30, 154.86	126.93	08/04/2023	13:27:27	-70.30, 154.82	126.94	1.60	72
7	08/04/2023	14:16:59	70.18, -37.64	52.96	08/04/2023	14:16:54	70.20, -37.68	52.97	2.35	5
8	08/04/2023	15:07:38	-69.94, 130.04	127.29	08/04/2023	15:06:26	-69.97, 129.64	127.23	15.98	72
9	08/07/2023	05:43:09	-70.26, -89.31	126.25	08/07/2023	05:43:58	-70.27, -89.34	126.24	1.48	49
10	08/07/2023	06:33:53	70.14, 78.18	53.65	08/07/2023	06:33:25	70.17, 78.16	53.67	2.62	28
11	08/09/2023	21:09:38	71.26,-142.51	55.57	08/09/2023	21:10:43	71.14,-139.76	55.35	99.38	65
12	08/09/2023	22:00:02	-70.23, 26.51	125.52	08/09/2023	22:00:28	-70.22, 26.47	125.54	1.88	26
13	08/09/2023	22:50:46	70.11,-166.01	54.38	08/09/2023	22:49:55	70.11,-166.04	54.38	1.17	51
14	08/12/2023	13:26:16	70.40, -25.32	55.45	08/12/2023	13:27:27	70.35, -25.08	55.38	10.49	71
15	08/12/2023	14:16:56	-70.20, 142.31	124.76	08/12/2023	14:16:58	-70.19, 142.32	124.77	1.00	2
16	08/12/2023	15:07:38	69.99, -50.05	55.03	08/12/2023	15:06:26	70.03, -50.27	55.09	9.51	72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/30/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/30/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9