Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.747302E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:01:47+0800
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    1 Object 1

    AOE ID 55310
    NORAD ID 55310
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66708
    NORAD ID 66708
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter STARLINK-5309 FLOCK 4H 5
    Time of Closest Approach 2026-10-20T12:50:26+0000
    Collision Probability (Pc) 2.747302E-4
    Conjunction Distance (km) 0.434 km
    Relative Speed (km/s) 14.647 km/s
    Conjunction Risk Parameters R (Radial): -0.208 | I (In-track): 0.113 | C (Cross-track): -0.363
    Collision Risk Index (CRI) 0.84
    X Position (km) 3034.377 3034.402
    Position Y (km) 1076.556 1076.227
    Position Z (km) -6086.868 -6087.15
    Velocity X (km/s) -6.176 6.786
    Velocity Y (km/s) 3.712 0.183
    Velocity Z (km/s) -2.422 3.416

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5309 FLOCK 4H 5
    Semimajor Axis (a) 6882.769 km 6878.364 km
    Eccentricity (e) 0.000398 0.000093
    Inclination (i) 69.9998° 97.4064°
    RAAN 158.7157° 3.9430°
    Perigee Argument 264.6141° 122.1319°
    Mean Anomaly (M) 81.7351° 238.0007°
    Apogee 507.374 km 500.866 km
    Perigee 501.890 km 499.588 km
    Orbit Epoch 2026-10-19T12:00:02+0000 2026-10-19T03:58:44+0000

    STARLINK-5309 & FLOCK 4H 5 Collision Probability (Pc) Trend

    STARLINK-5309 & FLOCK 4H 5 Collision Probability (Pc) TrendNot Available

    STARLINK-5309 & FLOCK 4H 5 Miss Distance (Miss Distance) Trend

    STARLINK-5309 & FLOCK 4H 5 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5309Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5309Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5309

    No nearby objects data