Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.254733E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:04:41+0800
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    1 Object 1

    AOE ID 53397
    NORAD ID 53397
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69449
    NORAD ID 69449
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4515 STARLINK-37643
    Time of Closest Approach 2026-09-04T21:39:51+0000
    Collision Probability (Pc) 1.254733E-6
    Conjunction Distance (km) 2.868 km
    Relative Speed (km/s) 11.974 km/s
    Conjunction Risk Parameters R (Radial): -2.402 | I (In-track): -0.973 | C (Cross-track): -1.225
    Collision Risk Index (CRI) 0.37
    X Position (km) 4514.351 4514.796
    Position Y (km) 4810.97 4813.732
    Position Z (km) 1792.3 1792.928
    Velocity X (km/s) -4.54 -2.381
    Velocity Y (km/s) 2.096 4.396
    Velocity Z (km/s) 5.776 -5.775

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4515 STARLINK-37643
    Semimajor Axis (a) 6837.843 km 6840.853 km
    Eccentricity (e) 0.000116 0.000124
    Inclination (i) 53.1604° 53.1580°
    RAAN 45.9314° 250.6035°
    Perigee Argument 78.1779° 106.1609°
    Mean Anomaly (M) 74.1232° 253.9530°
    Apogee 460.497 km 463.563 km
    Perigee 458.915 km 461.869 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T08:00:03+0000

    STARLINK-4515 & STARLINK-37643 Collision Probability (Pc) Trend

    STARLINK-4515 & STARLINK-37643 Collision Probability (Pc) TrendNot Available

    STARLINK-4515 & STARLINK-37643 Miss Distance (Miss Distance) Trend

    STARLINK-4515 & STARLINK-37643 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4515

    No nearby objects data