Conjunction Analysis Report [View In Browser]
IRAS and GGSE 4 at 2020-01-29 23:39:35 UTC

Object 1 IRAS
Catalog Number L4668
NORAD ID 13777
Maneuverable Unknown
Object 2 GGSE 4
Catalog Number L12679
NORAD ID 2828
Maneuverable Unknown
Conjunction ID 2001817770
Time of Closest Approach 2020-01-29 23:39:35.696000 UTC
( ... )
Miss Distance
Total: 37.5 m ( +58.5/-33.3 m)
R: 13.4 m (± 9.2 m)
I: -4.4 m (± 65.5 m)
C: -34.7 m (± 57.5 m)
Collision Probability 9.8e-3
Combined Hard Body Radius
5.0 m (Object 1: 2.5 m, Object 2: 2.5 m)
Relative Speed 14.672 km/s
Event Altitude 907 km
CDMs Generated 69
Last Updated 2020-01-30 21:40:49 UTC
Created At CDM Source IRAS Source GGSE 4 Source Actions
View 2020-01-30 21:40:49 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 12:59:04 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 10:27:19 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 08:38:44 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 07:14:19 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 05:33:39 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 05:19:34 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-30 01:32:19 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 20:19:56 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 20:17:54 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 13:15:15 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 10:16:00 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 08:35:25 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 04:49:50 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 04:33:46 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-29 01:23:28 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 19:58:17 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 19:44:12 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 13:11:10 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 12:04:48 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 10:26:13 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 06:26:39 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 06:08:27 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-28 03:12:25 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 19:58:11 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 19:51:08 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 14:53:34 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 13:20:05 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 12:24:49 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 10:28:04 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 08:25:26 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 06:42:47 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 04:58:07 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 04:21:55 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 01:31:03 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-27 01:18:55 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 19:32:58 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 19:25:55 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 13:59:13 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 13:09:58 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 10:30:10 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 08:22:30 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 06:39:07 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 04:51:18 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-26 01:33:15 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 19:42:23 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 19:27:25 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 14:52:49 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 13:09:18 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 12:02:59 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 09:10:15 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 07:58:39 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 07:42:36 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-25 01:28:19 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 14:50:21 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 11:48:29 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 10:01:36 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 08:25:13 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 06:19:11 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-24 05:27:51 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 22:17:01 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 20:40:22 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 14:54:25 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 13:29:54 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 12:55:44 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 11:45:27 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 09:59:40 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 08:13:04 UTC LeoLabs LeoLabs LeoLabs
View 2020-01-23 05:58:18 UTC LeoLabs LeoLabs LeoLabs
Object Time Site Probability
View IRAS 2022-11-29 17:57:06 UTC Kiwi Space Radar 75%
View IRAS 2022-11-29 18:02:37 UTC Kiwi Space Radar 90%
View GGSE 4 2022-11-29 18:51:09 UTC Kiwi Space Radar 80%
View IRAS 2022-11-29 18:53:49 UTC Azores Space Radar 71%
View IRAS 2022-11-29 18:56:43 UTC Azores Space Radar 40%
CDM Source Ephemeris Source
LeoLabs (69)

Miss Distance
The predicted distance between the objects at the Time of Closest Approach (TCA)

Probability of Collision
The probability of collision determined in the Conjunction Data Message (CDM)

TCA Change from Latest
The Time of Closest Approach (TCA) relative to the TCA in the latest CDM

IRAS

State Distance from Previous
The distance between an estimated state vector propagated to the Time of Closest Approach (TCA) and the next most recent state vector propagated to TCA

Position Uncertainty at TCA
The state vector position uncertainty when propagated to the Time of Closest Approach (TCA)

GGSE 4

State Distance from Previous
The distance between an estimated state vector propagated to the Time of Closest Approach (TCA) and the next most recent state vector propagated to TCA

Position Uncertainty at TCA
The state vector position uncertainty when propagated to the Time of Closest Approach (TCA)