Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.746473E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:27+0800
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    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69141
    NORAD ID 69141
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4377 STARLINK-37654
    Time of Closest Approach 2026-10-21T13:10:59+0000
    Collision Probability (Pc) 1.746473E-6
    Conjunction Distance (km) 2.476 km
    Relative Speed (km/s) 14.243 km/s
    Conjunction Risk Parameters R (Radial): -0.525 | I (In-track): 0.863 | C (Cross-track): 2.26
    Collision Risk Index (CRI) 0.4
    X Position (km) 2067.945 2066.55
    Position Y (km) -1237.137 -1239.122
    Position Z (km) 6397.598 6397.103
    Velocity X (km/s) -7.132 4.305
    Velocity Y (km/s) 1.065 -5.785
    Velocity Z (km/s) 2.506 -2.506

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 STARLINK-37654
    Semimajor Axis (a) 6843.710 km 6843.643 km
    Eccentricity (e) 0.000095 0.000104
    Inclination (i) 97.2843° 97.2842°
    RAAN 346.5704° 126.6728°
    Perigee Argument 97.4028° 99.0108°
    Mean Anomaly (M) 262.7323° 261.1252°
    Apogee 466.224 km 466.219 km
    Perigee 464.922 km 464.793 km
    Orbit Epoch 2026-10-19T02:55:46+0000 2026-10-18T23:37:57+0000

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) Trend

    STARLINK-4377 & STARLINK-37654 Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) Trend

    STARLINK-4377 & STARLINK-37654 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37654Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37654Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data