Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.867349E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:55:02+0800
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    1 Object 1

    AOE ID 54190
    NORAD ID 54190
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55638
    NORAD ID 55638
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5281 STARLINK-5507
    Time of Closest Approach 2026-10-20T23:24:21+0000
    Collision Probability (Pc) 8.867349E-5
    Conjunction Distance (km) 0.568 km
    Relative Speed (km/s) 6.297 km/s
    Conjunction Risk Parameters R (Radial): -0.041 | I (In-track): -0.513 | C (Cross-track): -0.237
    Collision Risk Index (CRI) 0.74
    X Position (km) 3403.806 3403.318
    Position Y (km) -2348.176 -2348.424
    Position Z (km) -5456.75 -5456.896
    Velocity X (km/s) 4.885 6.575
    Velocity Y (km/s) 5.828 0.71
    Velocity Z (km/s) 0.539 3.794

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5281 STARLINK-5507
    Semimajor Axis (a) 6840.860 km 6848.411 km
    Eccentricity (e) 0.000137 0.000336
    Inclination (i) 53.1616° 70.0005°
    RAAN 54.5351° 356.9347°
    Perigee Argument 98.1451° 265.6033°
    Mean Anomaly (M) 261.9707° 316.4668°
    Apogee 463.663 km 472.575 km
    Perigee 461.783 km 467.973 km
    Orbit Epoch 2026-10-19T08:41:38+0000 2026-10-19T22:00:02+0000

    STARLINK-5281 & STARLINK-5507 Collision Probability (Pc) Trend

    STARLINK-5281 & STARLINK-5507 Collision Probability (Pc) TrendNot Available

    STARLINK-5281 & STARLINK-5507 Miss Distance (Miss Distance) Trend

    STARLINK-5281 & STARLINK-5507 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5281Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5507Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5281Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5507Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5281

    No nearby objects data