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: 1/24/2023

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	01/24/2023	14:17:04	70.15, -37.74	89.34	01/24/2023	14:17:32	70.17, -37.78	89.35	2.27	28
2	01/24/2023	15:07:46	-70.06, 129.72	90.77	01/24/2023	15:07:02	-70.05, 129.70	90.77	1.28	44
3	01/27/2023	05:43:22	-70.56, -89.91	90.89	01/27/2023	05:44:33	-70.47, -89.11	91.02	31.20	71
4	01/27/2023	06:34:00	70.13, 78.07	88.66	01/27/2023	06:34:04	70.15, 78.07	88.67	1.99	4
5	01/27/2023	07:24:42	-70.04,-114.47	91.46	01/27/2023	07:23:34	-70.04,-114.46	91.44	0.49	68
6	01/29/2023	22:00:11	-70.23, 26.38	91.93	01/29/2023	22:01:07	-70.25, 26.44	91.93	3.18	56
7	01/29/2023	22:50:55	70.13,-166.14	87.95	01/29/2023	22:50:35	70.09,-166.14	87.92	3.43	20
8	01/29/2023	23:41:24	-69.34, 2.34	92.89	01/29/2023	23:40:16	-69.38, 0.51	92.77	71.79	68
9	02/01/2023	14:17:06	-70.18, 142.24	92.73	02/01/2023	14:17:39	-70.16, 142.18	92.76	3.18	33
10	02/01/2023	15:07:50	70.08, -50.29	87.15	02/01/2023	15:07:06	70.05, -50.33	87.14	3.00	44
11	02/04/2023	05:43:24	70.51, 90.18	86.85	02/04/2023	05:44:36	70.41, 90.77	86.71	24.81	72
12	02/04/2023	06:34:01	-70.14,-101.92	93.55	02/04/2023	06:34:09	-70.14,-101.98	93.56	2.24	8
13	02/04/2023	07:24:45	70.04, 65.54	86.34	02/04/2023	07:23:36	70.03, 65.51	86.33	1.96	69
14	02/06/2023	22:00:14	70.22,-153.58	85.73	02/06/2023	22:01:08	70.23,-153.60	85.74	1.58	54
15	02/06/2023	22:50:56	-70.11, 13.90	94.40	02/06/2023	22:50:38	-70.13, 13.88	94.38	1.99	18

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/24/2023

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9