Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.431709E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:38:16+0800
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    1 Object 1

    AOE ID 51124
    NORAD ID 51124
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58107
    NORAD ID 58107
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3389 STARLINK-30421
    Time of Closest Approach 2026-09-03T18:15:30+0000
    Collision Probability (Pc) 1.431709E-6
    Conjunction Distance (km) 2.638 km
    Relative Speed (km/s) 12.21 km/s
    Conjunction Risk Parameters R (Radial): -2.561 | I (In-track): 0.381 | C (Cross-track): -0.497
    Collision Risk Index (CRI) 0.38
    X Position (km) -5327.171 -5324.785
    Position Y (km) -4270.771 -4269.661
    Position Z (km) 465.082 464.913
    Velocity X (km/s) 3.199 2.54
    Velocity Y (km/s) -3.314 -3.844
    Velocity Z (km/s) 6.089 -6.091

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3389 STARLINK-30421
    Semimajor Axis (a) 6843.392 km 6840.879 km
    Eccentricity (e) 0.000129 0.000123
    Inclination (i) 53.1599° 53.1591°
    RAAN 222.7960° 49.1096°
    Perigee Argument 78.2911° 96.0371°
    Mean Anomaly (M) 281.8236° 264.0771°
    Apogee 466.138 km 463.582 km
    Perigee 464.372 km 461.902 km
    Orbit Epoch 2026-09-02T06:15:45+0000 2026-09-02T03:58:51+0000

    STARLINK-3389 & STARLINK-30421 Collision Probability (Pc) Trend

    STARLINK-3389 & STARLINK-30421 Collision Probability (Pc) TrendNot Available

    STARLINK-3389 & STARLINK-30421 Miss Distance (Miss Distance) Trend

    STARLINK-3389 & STARLINK-30421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3389Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3389Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3389

    No nearby objects data