Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.539665E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:57:39+0800
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    1 Object 1

    AOE ID 55347
    NORAD ID 55347
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5663 STARLINK-30489
    Time of Closest Approach 2026-10-28T04:45:01+0000
    Collision Probability (Pc) 7.539665E-7
    Conjunction Distance (km) 2.403 km
    Relative Speed (km/s) 2.947 km/s
    Conjunction Risk Parameters R (Radial): 2.108 | I (In-track): -1.13 | C (Cross-track): 0.226
    Collision Risk Index (CRI) 0.33
    X Position (km) -5103.819 -5102.324
    Position Y (km) 324.22 322.97
    Position Z (km) 4569.576 4568.171
    Velocity X (km/s) -1.452 0.51
    Velocity Y (km/s) -7.404 -7.528
    Velocity Z (km/s) -1.093 1.102

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5663 STARLINK-30489
    Semimajor Axis (a) 6861.036 km 6860.092 km
    Eccentricity (e) 0.000561 0.000489
    Inclination (i) 42.9853° 43.0012°
    RAAN 76.3600° 108.5015°
    Perigee Argument 279.3672° 279.5062°
    Mean Anomaly (M) 80.6545° 80.5237°
    Apogee 486.746 km 485.309 km
    Perigee 479.052 km 478.601 km
    Orbit Epoch 2026-10-27T01:37:43+0000 2026-10-27T04:52:44+0000

    STARLINK-5663 & STARLINK-30489 Collision Probability (Pc) Trend

    STARLINK-5663 & STARLINK-30489 Collision Probability (Pc) TrendNot Available

    STARLINK-5663 & STARLINK-30489 Miss Distance (Miss Distance) Trend

    STARLINK-5663 & STARLINK-30489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5663Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5663Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5663

    No nearby objects data