Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.520444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:37:47+0800
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    1 Object 1

    AOE ID 52489
    NORAD ID 52489
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52612
    NORAD ID 52612
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3923 STARLINK-4002
    Time of Closest Approach 2026-09-04T03:38:04+0000
    Collision Probability (Pc) 1.520444E-6
    Conjunction Distance (km) 2.486 km
    Relative Speed (km/s) 11.418 km/s
    Conjunction Risk Parameters R (Radial): 2.379 | I (In-track): 0.473 | C (Cross-track): -0.545
    Collision Risk Index (CRI) 0.39
    X Position (km) -6109.377 -6107.145
    Position Y (km) 971.027 971.402
    Position Z (km) -2935.443 -2934.416
    Velocity X (km/s) 1.618 -3.208
    Velocity Y (km/s) -5.383 -4.616
    Velocity Z (km/s) -5.159 5.16

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3923 STARLINK-4002
    Semimajor Axis (a) 6843.356 km 6840.895 km
    Eccentricity (e) 0.000121 0.000124
    Inclination (i) 53.1614° 53.1611°
    RAAN 342.1790° 200.9108°
    Perigee Argument 89.8018° 81.1384°
    Mean Anomaly (M) 270.3123° 278.9759°
    Apogee 466.048 km 463.607 km
    Perigee 464.390 km 461.909 km
    Orbit Epoch 2026-09-01T13:42:44+0000 2026-09-02T04:52:38+0000

    STARLINK-3923 & STARLINK-4002 Collision Probability (Pc) Trend

    STARLINK-3923 & STARLINK-4002 Collision Probability (Pc) TrendNot Available

    STARLINK-3923 & STARLINK-4002 Miss Distance (Miss Distance) Trend

    STARLINK-3923 & STARLINK-4002 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3923Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4002Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3923Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4002Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3923

    No nearby objects data