Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.303183E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:24:39+0800
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    1 Object 1

    AOE ID 52461
    NORAD ID 52461
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65221
    NORAD ID 65221
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3900 STARLINK-34974
    Time of Closest Approach 2026-09-11T12:53:11+0000
    Collision Probability (Pc) 1.303183E-6
    Conjunction Distance (km) 2.394 km
    Relative Speed (km/s) 7.819 km/s
    Conjunction Risk Parameters R (Radial): 2.287 | I (In-track): -0.606 | C (Cross-track): -0.366
    Collision Risk Index (CRI) 0.37
    X Position (km) -2697.23 -2695.745
    Position Y (km) -3951.183 -3950.265
    Position Z (km) -4900.633 -4898.995
    Velocity X (km/s) 3.831 6.984
    Velocity Y (km/s) -6 -1.38
    Velocity Z (km/s) 2.731 -2.732

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3900 STARLINK-34974
    Semimajor Axis (a) 6843.343 km 6840.797 km
    Eccentricity (e) 0.000105 0.000150
    Inclination (i) 53.1571° 53.1609°
    RAAN 291.2869° 9.6837°
    Perigee Argument 83.5131° 58.5527°
    Mean Anomaly (M) 276.5991° 301.5622°
    Apogee 465.922 km 463.687 km
    Perigee 464.490 km 461.633 km
    Orbit Epoch 2026-09-10T09:00:30+0000 2026-09-10T15:30:30+0000

    STARLINK-3900 & STARLINK-34974 Collision Probability (Pc) Trend

    STARLINK-3900 & STARLINK-34974 Collision Probability (Pc) TrendNot Available

    STARLINK-3900 & STARLINK-34974 Miss Distance (Miss Distance) Trend

    STARLINK-3900 & STARLINK-34974 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3900Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34974Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3900Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34974Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3900

    No nearby objects data