Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.108639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T22:11:33+0800
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    1 Object 1

    AOE ID 57977
    NORAD ID 57977
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63481
    NORAD ID 63481
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30509 STARLINK-33639
    Time of Closest Approach 2026-10-12T22:42:24+0000
    Collision Probability (Pc) 3.108639E-6
    Conjunction Distance (km) 1.665 km
    Relative Speed (km/s) 7.625 km/s
    Conjunction Risk Parameters R (Radial): 1.318 | I (In-track): -0.878 | C (Cross-track): 0.514
    Collision Risk Index (CRI) 0.45
    X Position (km) 2304.932 2303.555
    Position Y (km) 5318.878 5318.258
    Position Z (km) -3673.571 -3672.871
    Velocity X (km/s) -6.866 -5.245
    Velocity Y (km/s) 0.752 4.495
    Velocity Z (km/s) -3.221 3.221

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30509 STARLINK-33639
    Semimajor Axis (a) 6861.339 km 6861.103 km
    Eccentricity (e) 0.000230 0.000349
    Inclination (i) 43.0018° 43.0011°
    RAAN 208.0267° 115.6544°
    Perigee Argument 252.3186° 287.7124°
    Mean Anomaly (M) 107.7414° 72.3348°
    Apogee 484.784 km 485.358 km
    Perigee 481.620 km 480.574 km
    Orbit Epoch 2026-10-12T04:26:04+0000 2026-10-11T20:15:20+0000

    STARLINK-30509 & STARLINK-33639 Collision Probability (Pc) Trend

    STARLINK-30509 & STARLINK-33639 Collision Probability (Pc) TrendNot Available

    STARLINK-30509 & STARLINK-33639 Miss Distance (Miss Distance) Trend

    STARLINK-30509 & STARLINK-33639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30509

    No nearby objects data