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, 94.86 90.15 11/26/2011 17:33:37 -68.87, 95.79 90.27 39.81 71
2 11/26/2011 18:23:02 68.44, -97.09 89.31 11/26/2011 18:23:10 68.44, -97.10 89.30 0.58 8
3 11/26/2011 19:13:43 -68.31, 70.40 90.82 11/26/2011 19:12:40 -68.33, 70.40 90.81 1.77 63
4 11/29/2011 09:49:10 -68.54,-148.76 90.12 11/29/2011 09:50:18 -68.55,-148.75 90.12 0.58 68
5 11/29/2011 10:39:54 68.41, 18.71 89.76 11/29/2011 10:39:46 68.39, 18.70 89.73 2.77 8
6 11/29/2011 11:30:31 -68.07,-173.53 90.58 11/29/2011 11:29:19 -68.12,-173.99 90.55 20.03 72
7 12/02/2011 02:06:02 -68.52, -32.95 89.72 12/02/2011 02:06:53 -68.54, -32.91 89.70 3.04 51
8 12/02/2011 02:56:46 68.39, 134.52 90.16 12/02/2011 02:56:21 68.38, 134.54 90.15 1.52 25
9 12/02/2011 03:47:13 -67.50, -57.06 90.71 12/02/2011 03:46:04 -67.55, -58.79 90.69 73.63 69
10 12/04/2011 18:22:53 -68.49, 82.85 89.37 12/04/2011 18:23:27 -68.51, 82.91 89.35 3.06 34
11 12/04/2011 19:13:37 68.36,-109.67 90.51 12/04/2011 19:12:55 68.34,-109.64 90.49 2.51 42
12 12/07/2011 09:49:14 69.13, 30.45 91.60 12/07/2011 09:50:23 69.05, 31.83 91.53 55.48 69
13 12/07/2011 10:39:45 -68.46,-161.34 89.07 12/07/2011 10:40:02 -68.45,-161.29 89.08 2.36 17
14 12/07/2011 11:30:28 68.28, 6.20 90.76 12/07/2011 11:29:30 68.28, 6.15 90.76 2.18 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/25/2011
SNOs_Map_NPP_TERRA_20111126.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