Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.40376E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:02:41+0800
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    1 Object 1

    AOE ID 52866
    NORAD ID 52866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53224
    NORAD ID 53224
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4272 STARLINK-4356
    Time of Closest Approach 2026-10-21T02:39:39+0000
    Collision Probability (Pc) 1.40376E-6
    Conjunction Distance (km) 2.566 km
    Relative Speed (km/s) 10.927 km/s
    Conjunction Risk Parameters R (Radial): 2.34 | I (In-track): 0.726 | C (Cross-track): -0.761
    Collision Risk Index (CRI) 0.38
    X Position (km) 4177.955 4175.821
    Position Y (km) -144.032 -144.552
    Position Z (km) -5431.061 -5429.736
    Velocity X (km/s) 1.345 5.847
    Velocity Y (km/s) 7.452 -1.788
    Velocity Z (km/s) 0.841 4.547

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4272 STARLINK-4356
    Semimajor Axis (a) 6844.187 km 6843.710 km
    Eccentricity (e) 0.000512 0.000108
    Inclination (i) 53.1530° 97.2854°
    RAAN 87.3977° 345.4981°
    Perigee Argument 38.4982° 100.4849°
    Mean Anomaly (M) 321.6384° 259.6516°
    Apogee 469.551 km 466.315 km
    Perigee 462.549 km 464.831 km
    Orbit Epoch 2026-10-18T10:51:40+0000 2026-10-18T02:51:00+0000

    STARLINK-4272 & STARLINK-4356 Collision Probability (Pc) Trend

    STARLINK-4272 & STARLINK-4356 Collision Probability (Pc) TrendNot Available

    STARLINK-4272 & STARLINK-4356 Miss Distance (Miss Distance) Trend

    STARLINK-4272 & STARLINK-4356 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4272Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4356Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4272Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4356Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4272

    No nearby objects data