Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.25664E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T12:00:38+0800
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    1 Object 1

    AOE ID 53404
    NORAD ID 53404
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67694
    NORAD ID 67694
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4509 STARLINK-36753
    Time of Closest Approach 2026-09-03T11:25:10+0000
    Collision Probability (Pc) 3.25664E-6
    Conjunction Distance (km) 1.594 km
    Relative Speed (km/s) 6.69 km/s
    Conjunction Risk Parameters R (Radial): 1.477 | I (In-track): -0.537 | C (Cross-track): 0.265
    Collision Risk Index (CRI) 0.45
    X Position (km) 5951.982 5950.98
    Position Y (km) 77.271 77.441
    Position Z (km) -3395.634 -3394.408
    Velocity X (km/s) 2.662 3.747
    Velocity Y (km/s) 5.298 -1.064
    Velocity Z (km/s) 4.795 6.554

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4509 STARLINK-36753
    Semimajor Axis (a) 6848.866 km 6843.660 km
    Eccentricity (e) 0.000089 0.000266
    Inclination (i) 53.1609° 97.2867°
    RAAN 32.4120° 355.4077°
    Perigee Argument 71.3224° 138.1180°
    Mean Anomaly (M) 288.7874° 222.0266°
    Apogee 471.340 km 467.342 km
    Perigee 470.118 km 463.704 km
    Orbit Epoch 2026-09-02T02:42:00+0000 2026-09-02T07:21:36+0000

    STARLINK-4509 & STARLINK-36753 Collision Probability (Pc) Trend

    STARLINK-4509 & STARLINK-36753 Collision Probability (Pc) TrendNot Available

    STARLINK-4509 & STARLINK-36753 Miss Distance (Miss Distance) Trend

    STARLINK-4509 & STARLINK-36753 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36753Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36753Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4509

    No nearby objects data