Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.567607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T03:13:22+0800
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    1 Object 1

    AOE ID 62651
    NORAD ID 62651
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62816
    NORAD ID 62816
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4G 21 STARLINK-32854
    Time of Closest Approach 2026-09-05T13:52:30+0000
    Collision Probability (Pc) 1.567607E-6
    Conjunction Distance (km) 2.619 km
    Relative Speed (km/s) 13.977 km/s
    Conjunction Risk Parameters R (Radial): -2.052 | I (In-track): 0.641 | C (Cross-track): -1.494
    Collision Risk Index (CRI) 0.39
    X Position (km) -3918.253 -3919.157
    Position Y (km) 2872.315 2874.642
    Position Z (km) -4819.848 -4820.64
    Velocity X (km/s) 5.075 -6.127
    Velocity Y (km/s) -2.006 -3.495
    Velocity Z (km/s) -5.326 2.899

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4G 21 STARLINK-32854
    Semimajor Axis (a) 6835.533 km 6840.803 km
    Eccentricity (e) 0.000244 0.000072
    Inclination (i) 97.3943° 53.1588°
    RAAN 328.7622° 197.8206°
    Perigee Argument 72.2476° 73.4967°
    Mean Anomaly (M) 287.9034° 286.6114°
    Apogee 459.064 km 463.156 km
    Perigee 455.728 km 462.176 km
    Orbit Epoch 2026-09-03T04:37:15+0000 2026-09-04T06:52:44+0000

    FLOCK 4G 21 & STARLINK-32854 Collision Probability (Pc) Trend

    FLOCK 4G 21 & STARLINK-32854 Collision Probability (Pc) TrendNot Available

    FLOCK 4G 21 & STARLINK-32854 Miss Distance (Miss Distance) Trend

    FLOCK 4G 21 & STARLINK-32854 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4G 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32854Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4G 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32854Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4G 21

    No nearby objects data