Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.082042E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:46:19+0800
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    1 Object 1

    AOE ID 43613
    NORAD ID 43613
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 56547
    NORAD ID 56547
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICESAT-2 STARLINK-6291
    Time of Closest Approach 2026-09-17T21:08:53+0000
    Collision Probability (Pc) 5.082042E-6
    Conjunction Distance (km) 1.548 km
    Relative Speed (km/s) 11.414 km/s
    Conjunction Risk Parameters R (Radial): 1.292 | I (In-track): -0.564 | C (Cross-track): 0.638
    Collision Risk Index (CRI) 0.49
    X Position (km) 3501.285 3501.789
    Position Y (km) -3606.054 -3607.448
    Position Z (km) 4659.088 4659.53
    Velocity X (km/s) -3.876 5.719
    Velocity Y (km/s) 3.47 5.031
    Velocity Z (km/s) 5.579 -0.401

    Orbital Parameters 国际轨道数据源

    Parameter ICESAT-2 STARLINK-6291
    Semimajor Axis (a) 6859.111 km 6861.200 km
    Eccentricity (e) 0.000574 0.000064
    Inclination (i) 92.0023° 43.0036°
    RAAN 315.3943° 232.2401°
    Perigee Argument 107.8248° 300.7860°
    Mean Anomaly (M) 252.3628° 59.2929°
    Apogee 484.908 km 483.501 km
    Perigee 477.040 km 482.625 km
    Orbit Epoch 2026-09-15T13:57:35+0000 2026-09-15T09:06:17+0000

    ICESAT-2 & STARLINK-6291 Collision Probability (Pc) Trend

    ICESAT-2 & STARLINK-6291 Collision Probability (Pc) TrendNot Available

    ICESAT-2 & STARLINK-6291 Miss Distance (Miss Distance) Trend

    ICESAT-2 & STARLINK-6291 Miss Distance (Miss Distance) TrendNot Available

    ICESAT-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6291Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICESAT-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6291Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICESAT-2

    No nearby objects data