Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/25/2011
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 11/26/2011 17:32:26 -69.00, 94.85 90.15 11/26/2011 17:33:37 -68.88, 95.81 90.26 40.52 71
2 11/26/2011 18:23:02 68.45, -97.10 89.32 11/26/2011 18:23:10 68.45, -97.08 89.32 0.76 8
3 11/26/2011 19:13:43 -68.32, 70.39 90.81 11/26/2011 19:12:40 -68.34, 70.42 90.80 2.71 63
4 11/29/2011 09:49:09 -68.52,-148.73 90.14 11/29/2011 09:50:19 -68.53,-148.78 90.14 1.89 70
5 11/29/2011 10:39:53 68.40, 18.74 89.74 11/29/2011 10:39:46 68.43, 18.74 89.77 3.14 7
6 11/29/2011 11:30:31 -68.11,-173.57 90.55 11/29/2011 11:29:19 -68.15,-173.95 90.51 16.71 72
7 12/02/2011 02:06:00 -68.49, -32.91 89.75 12/02/2011 02:06:55 -68.50, -32.96 89.74 2.36 55
8 12/02/2011 02:56:44 68.36, 134.56 90.13 12/02/2011 02:56:22 68.39, 134.56 90.16 3.51 22
9 12/02/2011 03:47:13 -67.58, -57.15 90.63 12/02/2011 03:46:04 -67.62, -58.72 90.62 66.46 69
10 12/04/2011 18:22:50 -68.46, 82.90 89.39 12/04/2011 18:23:30 -68.45, 82.84 89.40 2.50 40
11 12/04/2011 19:13:34 68.34,-109.63 90.49 12/04/2011 19:12:57 68.35,-109.64 90.50 1.29 37
12 12/07/2011 09:49:15 69.39, 30.10 91.86 12/07/2011 09:50:22 69.28, 32.11 91.76 79.77 67
13 12/07/2011 10:39:41 -68.45,-161.31 89.08 12/07/2011 10:40:05 -68.46,-161.29 89.07 0.79 24
14 12/07/2011 11:30:25 68.32, 6.16 90.81 12/07/2011 11:29:32 68.35, 6.22 90.82 3.32 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/25/2011
SNOs_Map_NPP_TERRA_20111125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/25/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service