Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.688452E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:07:36+0800
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    1 Object 1

    Name GGSE 4
    AOE ID 2828
    NORAD ID 2828
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name IRAS
    AOE ID 13777
    NORAD ID 13777
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GGSE 4 IRAS
    Time of Closest Approach 2026-09-11T23:44:10+0000
    Collision Probability (Pc) 1.688452E-6
    Conjunction Distance (km) 2.539 km
    Relative Speed (km/s) 14.505 km/s
    Conjunction Risk Parameters R (Radial): 1.901 | I (In-track): -0.312 | C (Cross-track): 1.654
    Collision Risk Index (CRI) 0.4
    X Position (km) 9.631 8.135
    Position Y (km) 4026.097 4025.693
    Position Z (km) -6075.884 -6073.874
    Velocity X (km/s) -4.593 2.119
    Velocity Y (km/s) -4.819 5.888
    Velocity Z (km/s) -3.2 3.918

    Orbital Parameters 国际轨道数据源

    Parameter GGSE 4 IRAS
    Semimajor Axis (a) 7278.514 km 7268.513 km
    Eccentricity (e) 0.000566 0.001959
    Inclination (i) 69.9689° 99.0706°
    RAAN 239.3276° 74.8851°
    Perigee Argument 41.0097° 88.1664°
    Mean Anomaly (M) 319.1434° 272.1745°
    Apogee 904.499 km 904.619 km
    Perigee 896.255 km 876.133 km
    Orbit Epoch 2026-09-10T15:40:24+0000 2026-09-10T22:18:03+0000

    GGSE 4 & IRAS Collision Probability (Pc) Trend

    GGSE 4 & IRAS Collision Probability (Pc) TrendNot Available

    GGSE 4 & IRAS Miss Distance (Miss Distance) Trend

    GGSE 4 & IRAS Miss Distance (Miss Distance) TrendNot Available

    GGSE 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRASMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GGSE 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRASCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GGSE 4

    No nearby objects data