Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.249406E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:48:59+0800
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    1 Object 1

    AOE ID 57249
    NORAD ID 57249
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name IRIS-F3
    AOE ID 62619
    NORAD ID 62619
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter STARLINK-5517 IRIS-F3
    Time of Closest Approach 2026-09-04T22:21:47+0000
    Collision Probability (Pc) 1.249406E-6
    Conjunction Distance (km) 2.975 km
    Relative Speed (km/s) 12.87 km/s
    Conjunction Risk Parameters R (Radial): -2.158 | I (In-track): 1.105 | C (Cross-track): 1.723
    Collision Risk Index (CRI) 0.37
    X Position (km) -4695.595 -4695.613
    Position Y (km) 2226.791 2228.471
    Position Z (km) 4468.847 4471.301
    Velocity X (km/s) -1.97 -3.882
    Velocity Y (km/s) -7.212 3.277
    Velocity Z (km/s) 1.521 -5.687

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5517 IRIS-F3
    Semimajor Axis (a) 6861.372 km 6859.605 km
    Eccentricity (e) 0.000129 0.000723
    Inclination (i) 43.0045° 97.4006°
    RAAN 92.5583° 326.4757°
    Perigee Argument 49.4780° 57.4938°
    Mean Anomaly (M) 310.6183° 302.6999°
    Apogee 484.118 km 486.425 km
    Perigee 482.352 km 476.511 km
    Orbit Epoch 2026-09-04T00:04:29+0000 2026-09-03T04:53:52+0000

    STARLINK-5517 & IRIS-F3 Collision Probability (Pc) Trend

    STARLINK-5517 & IRIS-F3 Collision Probability (Pc) TrendNot Available

    STARLINK-5517 & IRIS-F3 Miss Distance (Miss Distance) Trend

    STARLINK-5517 & IRIS-F3 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIS-F3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5517Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIS-F3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5517

    No nearby objects data