Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.4262E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:33:29+0800
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    1 Object 1

    AOE ID 53590
    NORAD ID 53590
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66511
    NORAD ID 66511
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4689 STARLINK-35444
    Time of Closest Approach 2026-09-04T02:29:04+0000
    Collision Probability (Pc) 1.4262E-6
    Conjunction Distance (km) 2.141 km
    Relative Speed (km/s) 6.217 km/s
    Conjunction Risk Parameters R (Radial): 2.127 | I (In-track): -0.229 | C (Cross-track): -0.097
    Collision Risk Index (CRI) 0.38
    X Position (km) -5042.731 -5041.177
    Position Y (km) 888.834 888.312
    Position Z (km) 4562.499 4561.122
    Velocity X (km/s) 1.918 -2.297
    Velocity Y (km/s) -6.557 -7.183
    Velocity Z (km/s) 3.388 -1.137

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4689 STARLINK-35444
    Semimajor Axis (a) 6864.338 km 6861.140 km
    Eccentricity (e) 0.000097 0.000261
    Inclination (i) 53.1649° 43.0028°
    RAAN 135.1026° 71.5696°
    Perigee Argument 73.5684° 284.5324°
    Mean Anomaly (M) 286.5422° 75.5237°
    Apogee 486.866 km 484.796 km
    Perigee 485.536 km 481.210 km
    Orbit Epoch 2026-09-02T14:05:56+0000 2026-09-02T13:56:43+0000

    STARLINK-4689 & STARLINK-35444 Collision Probability (Pc) Trend

    STARLINK-4689 & STARLINK-35444 Collision Probability (Pc) TrendNot Available

    STARLINK-4689 & STARLINK-35444 Miss Distance (Miss Distance) Trend

    STARLINK-4689 & STARLINK-35444 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4689Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35444Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4689Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35444Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4689

    No nearby objects data