Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.610948E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:45:32+0800
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    1 Object 1

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53733
    NORAD ID 53733
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4686 STARLINK-4574
    Time of Closest Approach 2026-10-22T20:45:38+0000
    Collision Probability (Pc) 2.610948E-7
    Conjunction Distance (km) 2.545 km
    Relative Speed (km/s) 0.002 km/s
    Conjunction Risk Parameters R (Radial): -2.451 | I (In-track): 0.33 | C (Cross-track): 0.595
    Collision Risk Index (CRI) 0.23
    X Position (km) 4445.269 4447.243
    Position Y (km) -3848.847 -3850.296
    Position Z (km) 3488.008 3488.699
    Velocity X (km/s) 1.368 1.367
    Velocity Y (km/s) 5.859 5.858
    Velocity Z (km/s) 4.706 4.706

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4686 STARLINK-4574
    Semimajor Axis (a) 6840.876 km 6843.362 km
    Eccentricity (e) 0.000113 0.000159
    Inclination (i) 53.1596° 53.1606°
    RAAN 309.1872° 309.1840°
    Perigee Argument 84.9514° 93.7029°
    Mean Anomaly (M) 275.1617° 266.4155°
    Apogee 463.514 km 466.311 km
    Perigee 461.964 km 464.139 km
    Orbit Epoch 2026-10-19T08:10:21+0000 2026-10-19T08:07:36+0000

    STARLINK-4686 & STARLINK-4574 Collision Probability (Pc) Trend

    STARLINK-4686 & STARLINK-4574 Collision Probability (Pc) TrendNot Available

    STARLINK-4686 & STARLINK-4574 Miss Distance (Miss Distance) Trend

    STARLINK-4686 & STARLINK-4574 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4574Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4574Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4686

    No nearby objects data