Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.308794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T07:59:14+0800
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    1 Object 1

    AOE ID 51990
    NORAD ID 51990
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65805
    NORAD ID 65805
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3657 STARLINK-35273
    Time of Closest Approach 2026-09-06T11:07:40+0000
    Collision Probability (Pc) 2.308794E-6
    Conjunction Distance (km) 2.183 km
    Relative Speed (km/s) 14.736 km/s
    Conjunction Risk Parameters R (Radial): -1.925 | I (In-track): -0.279 | C (Cross-track): -0.987
    Collision Risk Index (CRI) 0.42
    X Position (km) -2139.435 -2137.906
    Position Y (km) 6324.962 6323.406
    Position Z (km) -1486.287 -1486.246
    Velocity X (km/s) -4.023 0.415
    Velocity Y (km/s) -2.737 1.868
    Velocity Z (km/s) -5.884 7.391

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3657 STARLINK-35273
    Semimajor Axis (a) 6837.873 km 6845.955 km
    Eccentricity (e) 0.000116 0.000167
    Inclination (i) 53.1594° 97.2853°
    RAAN 288.3923° 105.2733°
    Perigee Argument 86.0969° 92.6239°
    Mean Anomaly (M) 274.0167° 53.1884°
    Apogee 460.530 km 468.958 km
    Perigee 458.942 km 466.678 km
    Orbit Epoch 2026-09-04T11:24:44+0000 2026-09-04T16:00:02+0000

    STARLINK-3657 & STARLINK-35273 Collision Probability (Pc) Trend

    STARLINK-3657 & STARLINK-35273 Collision Probability (Pc) TrendNot Available

    STARLINK-3657 & STARLINK-35273 Miss Distance (Miss Distance) Trend

    STARLINK-3657 & STARLINK-35273 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35273Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35273Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3657

    No nearby objects data