Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.117409E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:33:10+0800
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    1 Object 1

    AOE ID 59965
    NORAD ID 59965
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66722
    NORAD ID 66722
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PREFIRE-1 FLOCK 4H 19
    Time of Closest Approach 2026-10-21T21:20:44+0000
    Collision Probability (Pc) 1.117409E-6
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 10.039 km/s
    Conjunction Risk Parameters R (Radial): 2.868 | I (In-track): 0.341 | C (Cross-track): 0.297
    Collision Risk Index (CRI) 0.36
    X Position (km) -903.739 -903.819
    Position Y (km) 779.426 780.091
    Position Z (km) -6777.596 -6780.421
    Velocity X (km/s) 0.061 7.479
    Velocity Y (km/s) 7.549 1.011
    Velocity Z (km/s) 0.853 -0.882

    Orbital Parameters 国际轨道数据源

    Parameter PREFIRE-1 FLOCK 4H 19
    Semimajor Axis (a) 6869.867 km 6877.136 km
    Eccentricity (e) 0.001150 0.000168
    Inclination (i) 97.5452° 97.4064°
    RAAN 88.3604° 4.1255°
    Perigee Argument 157.0673° 161.0897°
    Mean Anomaly (M) 203.1080° 199.0402°
    Apogee 499.631 km 500.156 km
    Perigee 483.829 km 497.842 km
    Orbit Epoch 2026-10-19T20:53:03+0000 2026-10-19T03:30:44+0000

    PREFIRE-1 & FLOCK 4H 19 Collision Probability (Pc) Trend

    PREFIRE-1 & FLOCK 4H 19 Collision Probability (Pc) TrendNot Available

    PREFIRE-1 & FLOCK 4H 19 Miss Distance (Miss Distance) Trend

    PREFIRE-1 & FLOCK 4H 19 Miss Distance (Miss Distance) TrendNot Available

    PREFIRE-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 19Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PREFIRE-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 19Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PREFIRE-1

    No nearby objects data