Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.023069E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:54:11+0800
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    1 Object 1

    AOE ID 53547
    NORAD ID 53547
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65891
    NORAD ID 65891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4474 STARLINK-34791
    Time of Closest Approach 2026-09-15T00:43:53+0000
    Collision Probability (Pc) 2.023069E-4
    Conjunction Distance (km) 0.411 km
    Relative Speed (km/s) 6.825 km/s
    Conjunction Risk Parameters R (Radial): -0.41 | I (In-track): 0.017 | C (Cross-track): 0.006
    Collision Risk Index (CRI) 0.81
    X Position (km) -4170.403 -4170.159
    Position Y (km) 1921.787 1921.656
    Position Z (km) -5077.988 -5077.685
    Velocity X (km/s) -0.556 -5.152
    Velocity Y (km/s) -7.252 -5.134
    Velocity Z (km/s) -2.29 2.289

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4474 STARLINK-34791
    Semimajor Axis (a) 6840.881 km 6840.813 km
    Eccentricity (e) 0.000131 0.000087
    Inclination (i) 53.1582° 53.1589°
    RAAN 292.8610° 224.0023°
    Perigee Argument 93.7138° 116.2092°
    Mean Anomaly (M) 266.4015° 243.9000°
    Apogee 463.643 km 463.270 km
    Perigee 461.845 km 462.082 km
    Orbit Epoch 2026-09-12T02:52:19+0000 2026-09-12T07:22:20+0000

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) Trend

    STARLINK-4474 & STARLINK-34791 Collision Probability (Pc) TrendNot Available

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) Trend

    STARLINK-4474 & STARLINK-34791 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4474Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34791Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4474Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34791Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4474

    No nearby objects data