Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.455444E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:46:44+0800
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    1 Object 1

    AOE ID 52630
    NORAD ID 52630
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64436
    NORAD ID 64436
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3989 STARLINK-34396
    Time of Closest Approach 2026-10-21T18:11:17+0000
    Collision Probability (Pc) 1.455444E-6
    Conjunction Distance (km) 2.444 km
    Relative Speed (km/s) 10.063 km/s
    Conjunction Risk Parameters R (Radial): -2.209 | I (In-track): -0.778 | C (Cross-track): 0.696
    Collision Risk Index (CRI) 0.38
    X Position (km) -4374.555 -4375.951
    Position Y (km) -1063.428 -1064.796
    Position Z (km) -5169.022 -5170.489
    Velocity X (km/s) 3.917 -3.828
    Velocity Y (km/s) -6.209 -5.015
    Velocity Z (km/s) -2.04 4.272

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3989 STARLINK-34396
    Semimajor Axis (a) 6848.883 km 6852.675 km
    Eccentricity (e) 0.000170 0.000320
    Inclination (i) 53.1586° 70.0022°
    RAAN 323.2755° 225.1146°
    Perigee Argument 87.5509° 273.1811°
    Mean Anomaly (M) 272.5687° 86.8999°
    Apogee 471.908 km 476.729 km
    Perigee 469.584 km 472.347 km
    Orbit Epoch 2026-10-19T19:41:06+0000 2026-10-19T05:14:45+0000

    STARLINK-3989 & STARLINK-34396 Collision Probability (Pc) Trend

    STARLINK-3989 & STARLINK-34396 Collision Probability (Pc) TrendNot Available

    STARLINK-3989 & STARLINK-34396 Miss Distance (Miss Distance) Trend

    STARLINK-3989 & STARLINK-34396 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3989Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34396Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3989Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34396Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3989

    No nearby objects data