Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.509362E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:32:26+0800
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    1 Object 1

    AOE ID 53651
    NORAD ID 53651
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59413
    NORAD ID 59413
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4388 STARLINK-31615
    Time of Closest Approach 2026-09-12T05:47:36+0000
    Collision Probability (Pc) 1.509362E-3
    Conjunction Distance (km) 0.038 km
    Relative Speed (km/s) 10.1 km/s
    Conjunction Risk Parameters R (Radial): 0.036 | I (In-track): -0.012 | C (Cross-track): -0.003
    Collision Risk Index (CRI) 0.99
    X Position (km) 3900.965 3900.99
    Position Y (km) -3488.49 -3488.514
    Position Z (km) -4405.671 -4405.684
    Velocity X (km/s) -4.477 3.793
    Velocity Y (km/s) 2.249 6.401
    Velocity Z (km/s) -5.752 -1.706

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4388 STARLINK-31615
    Semimajor Axis (a) 6833.221 km 6843.250 km
    Eccentricity (e) 0.000198 0.000836
    Inclination (i) 97.5376° 42.9984°
    RAAN 142.7523° 90.5502°
    Perigee Argument 87.5405° 262.0877°
    Mean Anomaly (M) 272.6065° 97.9028°
    Apogee 456.434 km 470.832 km
    Perigee 453.734 km 459.394 km
    Orbit Epoch 2026-09-10T10:38:57+0000 2026-09-09T06:22:12+0000

    STARLINK-4388 & STARLINK-31615 Collision Probability (Pc) Trend

    STARLINK-4388 & STARLINK-31615 Collision Probability (Pc) TrendNot Available

    STARLINK-4388 & STARLINK-31615 Miss Distance (Miss Distance) Trend

    STARLINK-4388 & STARLINK-31615 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4388Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31615Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4388Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31615Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4388

    No nearby objects data