Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.555255E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:38:38+0800
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    1 Object 1

    AOE ID 48454
    NORAD ID 48454
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56484
    NORAD ID 56484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2654 STARLINK-6221
    Time of Closest Approach 2026-10-21T16:31:01+0000
    Collision Probability (Pc) 3.555255E-6
    Conjunction Distance (km) 1.587 km
    Relative Speed (km/s) 7.499 km/s
    Conjunction Risk Parameters R (Radial): -1.372 | I (In-track): 0.69 | C (Cross-track): 0.395
    Collision Risk Index (CRI) 0.46
    X Position (km) 2096.847 2096.896
    Position Y (km) -3535.613 -3534.298
    Position Z (km) 5467.003 5466.117
    Velocity X (km/s) 6.746 1.176
    Velocity Y (km/s) 3.565 6.535
    Velocity Z (km/s) -0.281 3.766

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2654 STARLINK-6221
    Semimajor Axis (a) 6848.809 km 6829.476 km
    Eccentricity (e) 0.000215 0.000324
    Inclination (i) 53.1611° 69.9992°
    RAAN 217.8954° 278.2119°
    Perigee Argument 83.9704° 268.8218°
    Mean Anomaly (M) 276.1543° 351.3682°
    Apogee 472.147 km 453.556 km
    Perigee 469.197 km 449.122 km
    Orbit Epoch 2026-10-19T04:36:31+0000 2026-10-19T06:00:01+0000

    STARLINK-2654 & STARLINK-6221 Collision Probability (Pc) Trend

    STARLINK-2654 & STARLINK-6221 Collision Probability (Pc) TrendNot Available

    STARLINK-2654 & STARLINK-6221 Miss Distance (Miss Distance) Trend

    STARLINK-2654 & STARLINK-6221 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2654Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6221Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2654Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6221Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2654

    No nearby objects data