Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.247138E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:23:54+0800
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    1 Object 1

    AOE ID 49460
    NORAD ID 49460
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53566
    NORAD ID 53566
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3140 STARLINK-4576
    Time of Closest Approach 2026-09-03T21:36:07+0000
    Collision Probability (Pc) 1.247138E-6
    Conjunction Distance (km) 2.901 km
    Relative Speed (km/s) 12.155 km/s
    Conjunction Risk Parameters R (Radial): 2.701 | I (In-track): -0.651 | C (Cross-track): -0.833
    Collision Risk Index (CRI) 0.37
    X Position (km) 4802.529 4803.681
    Position Y (km) -4773.518 -4776.154
    Position Z (km) -966.726 -967.093
    Velocity X (km/s) 2.654 3.863
    Velocity Y (km/s) 3.88 2.677
    Velocity Z (km/s) -6.018 6.017

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3140 STARLINK-4576
    Semimajor Axis (a) 6837.889 km 6840.895 km
    Eccentricity (e) 0.000117 0.000137
    Inclination (i) 53.1607° 53.1604°
    RAAN 135.8966° 331.9603°
    Perigee Argument 79.2135° 67.4177°
    Mean Anomaly (M) 280.8999° 292.6970°
    Apogee 460.551 km 463.694 km
    Perigee 458.953 km 461.822 km
    Orbit Epoch 2026-09-02T10:24:32+0000 2026-09-01T14:55:55+0000

    STARLINK-3140 & STARLINK-4576 Collision Probability (Pc) Trend

    STARLINK-3140 & STARLINK-4576 Collision Probability (Pc) TrendNot Available

    STARLINK-3140 & STARLINK-4576 Miss Distance (Miss Distance) Trend

    STARLINK-3140 & STARLINK-4576 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4576Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3140Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4576Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3140

    No nearby objects data