Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/18/2025

Index	Date (FY3D)	Time (FY3D)	Lat,Lon (FY3D)	SZA (FY3D )	Date (TERRA)	Time (TERRA)	Lat,Lon (TERRA)	SZA (TERRA )	Distance(km)	Time Diff (sec)
1	10/19/2025	19:16:48	-78.35, 70.93	91.41	10/19/2025	19:17:46	-78.34, 71.01	91.42	2.32	58
2	10/19/2025	20:07:31	78.29,-121.38	88.55	10/19/2025	20:07:05	78.31,-121.44	88.57	3.05	26
3	10/22/2025	05:38:10	78.34, 95.72	89.45	10/22/2025	05:39:08	78.36, 95.72	89.47	2.55	58
4	10/22/2025	06:28:54	-78.31, -96.78	90.57	10/22/2025	06:28:28	-78.34, -96.73	90.54	3.44	26
5	10/24/2025	15:59:34	-78.36, 120.30	89.68	10/24/2025	16:00:32	-78.36, 120.32	89.68	0.40	58
6	10/24/2025	16:50:18	78.34, -72.26	90.32	10/24/2025	16:49:51	78.34, -72.12	90.31	3.24	27
7	10/27/2025	02:20:57	78.37, 145.00	91.16	10/27/2025	02:21:54	78.38, 145.03	91.18	2.07	57
8	10/27/2025	03:11:41	-78.33, -47.48	88.87	10/27/2025	03:11:14	-78.36, -47.43	88.85	2.74	27
9	10/29/2025	12:42:21	-78.40, 169.52	88.00	10/29/2025	12:43:17	-78.38, 169.60	88.02	3.02	56
10	10/29/2025	13:33:04	78.35, -22.83	91.96	10/29/2025	13:32:36	78.36, -22.83	91.97	1.18	28
11	10/31/2025	23:03:43	78.38,-165.65	92.78	10/31/2025	23:04:38	78.40,-165.68	92.80	2.11	55

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 10/18/2025

Download SNOs between FY3D and TERRA since TLE EPOCH: 10/18/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA