Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.325936E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T21:39:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58280
    NORAD ID 58280
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62554
    NORAD ID 62554
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4Q 28 STARLINK-11538
    Time of Closest Approach 2026-10-26T14:42:58+0000
    Collision Probability (Pc) 1.325936E-6
    Conjunction Distance (km) 2.961 km
    Relative Speed (km/s) 14.144 km/s
    Conjunction Risk Parameters R (Radial): -1.856 | I (In-track): 0.917 | C (Cross-track): 2.117
    Collision Risk Index (CRI) 0.37
    X Position (km) -4630.275 -4628.156
    Position Y (km) -3860.694 -3861.483
    Position Z (km) 2998.517 2996.606
    Velocity X (km/s) -3.318 5.55
    Velocity Y (km/s) -1.33 -3.557
    Velocity Z (km/s) -6.814 3.975

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4Q 28 STARLINK-11538
    Semimajor Axis (a) 6732.686 km 6734.599 km
    Eccentricity (e) 0.000301 0.000196
    Inclination (i) 97.3829° 43.0001°
    RAAN 35.2191° 190.3239°
    Perigee Argument 316.6142° 235.3839°
    Mean Anomaly (M) 43.4883° 124.6844°
    Apogee 356.579 km 357.781 km
    Perigee 352.519 km 355.143 km
    Orbit Epoch 2026-10-25T18:12:04+0000 2026-10-26T03:51:43+0000

    FLOCK 4Q 28 & STARLINK-11538 Collision Probability (Pc) Trend

    FLOCK 4Q 28 & STARLINK-11538 Collision Probability (Pc) TrendNot Available

    FLOCK 4Q 28 & STARLINK-11538 Miss Distance (Miss Distance) Trend

    FLOCK 4Q 28 & STARLINK-11538 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4Q 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4Q 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4Q 28

    No nearby objects data