Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.215513E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:24:36+0800
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    1 Object 1

    AOE ID 47870
    NORAD ID 47870
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63833
    NORAD ID 63833
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-2326 HERMES 4
    Time of Closest Approach 2026-09-06T01:31:15+0000
    Collision Probability (Pc) 2.215513E-6
    Conjunction Distance (km) 1.788 km
    Relative Speed (km/s) 6.164 km/s
    Conjunction Risk Parameters R (Radial): 0.471 | I (In-track): 1.577 | C (Cross-track): 0.698
    Collision Risk Index (CRI) 0.42
    X Position (km) -5275.487 -5276.597
    Position Y (km) 3654.975 3655.168
    Position Z (km) -2401.362 -2399.974
    Velocity X (km/s) -4.464 -1.576
    Velocity Y (km/s) -2.846 2.363
    Velocity Z (km/s) 5.49 7.078

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2326 HERMES 4
    Semimajor Axis (a) 6848.887 km 6848.295 km
    Eccentricity (e) 0.000113 0.000096
    Inclination (i) 53.1592° 97.3754°
    RAAN 172.1900° 139.9158°
    Perigee Argument 94.1115° 324.3507°
    Mean Anomaly (M) 266.0015° 35.7670°
    Apogee 471.523 km 470.817 km
    Perigee 469.977 km 469.499 km
    Orbit Epoch 2026-09-03T18:49:25+0000 2026-09-03T10:54:13+0000

    STARLINK-2326 & HERMES 4 Collision Probability (Pc) Trend

    STARLINK-2326 & HERMES 4 Collision Probability (Pc) TrendNot Available

    STARLINK-2326 & HERMES 4 Miss Distance (Miss Distance) Trend

    STARLINK-2326 & HERMES 4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2326Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2326Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2326

    No nearby objects data