Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and GCOM-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/17/2023

Index	Date (NPP)	Time (NPP)	Lat,Lon (NPP)	SZA (NPP )	Date (GCOM-C)	Time (GCOM-C)	Lat,Lon (GCOM-C)	SZA (GCOM-C )	Distance(km)	Time Diff (sec)
1	09/17/2023	03:41:24	67.68, 124.36	65.19	09/17/2023	03:40:15	67.70, 122.78	65.20	66.64	69
2	09/29/2023	16:48:13	69.10, -74.11	71.49	09/29/2023	16:49:23	69.04, -72.92	71.43	47.75	70
3	09/29/2023	17:38:48	-68.62, 93.86	108.98	09/29/2023	17:40:01	-68.61, 93.89	108.99	2.15	73
4	09/29/2023	18:29:33	68.58, -98.77	70.99	09/29/2023	18:30:28	68.59, -98.74	71.01	2.36	55
5	09/29/2023	19:20:16	-68.53, 68.61	109.05	09/29/2023	19:20:59	-68.55, 68.57	109.03	2.65	43
6	09/29/2023	20:11:02	68.53,-124.09	70.98	09/29/2023	20:11:26	68.53,-124.06	70.98	1.20	24
7	09/29/2023	21:01:45	-68.48, 43.29	109.06	09/29/2023	21:01:57	-68.49, 43.26	109.06	1.50	12
8	09/29/2023	21:52:30	68.49,-149.41	70.96	09/29/2023	21:52:23	68.47,-149.38	70.94	2.57	7
9	09/29/2023	22:43:13	-68.44, 17.97	109.08	09/29/2023	22:42:54	-68.42, 17.94	109.10	2.53	19
10	09/29/2023	23:33:58	68.39,-174.65	70.89	09/29/2023	23:33:21	68.41,-174.69	70.90	2.27	37
11	09/30/2023	00:24:42	-68.40, -7.34	109.09	09/30/2023	00:23:51	-68.41, -7.31	109.08	2.30	51
12	09/30/2023	01:15:27	68.35, 160.03	70.88	09/30/2023	01:14:19	68.34, 159.99	70.87	1.71	68
13	09/30/2023	02:06:06	-68.09, -32.32	109.38	09/30/2023	02:04:53	-68.14, -32.90	109.33	24.60	73
14	09/30/2023	02:56:40	67.44, 135.78	70.01	09/30/2023	02:55:32	67.46, 133.68	70.01	89.66	68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/17/2023

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/17/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C