Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.686439E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:21:43+0800
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    1 Object 1

    AOE ID 52699
    NORAD ID 52699
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67876
    NORAD ID 67876
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3987 STARLINK-36743
    Time of Closest Approach 2026-10-22T13:44:53+0000
    Collision Probability (Pc) 9.686439E-6
    Conjunction Distance (km) 1.08 km
    Relative Speed (km/s) 4.981 km/s
    Conjunction Risk Parameters R (Radial): -0.804 | I (In-track): -0.68 | C (Cross-track): 0.237
    Collision Risk Index (CRI) 0.55
    X Position (km) -1740.012 -1739.148
    Position Y (km) 3981.569 3981.391
    Position Z (km) -5290.861 -5290.238
    Velocity X (km/s) -7.374 -5.834
    Velocity Y (km/s) -1.123 -4.648
    Velocity Z (km/s) 1.581 -1.582

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3987 STARLINK-36743
    Semimajor Axis (a) 6840.857 km 6840.776 km
    Eccentricity (e) 0.000118 0.000110
    Inclination (i) 53.1577° 53.1581°
    RAAN 191.0346° 238.5585°
    Perigee Argument 89.9547° 100.3307°
    Mean Anomaly (M) 270.1591° 259.7820°
    Apogee 463.525 km 463.394 km
    Perigee 461.915 km 461.884 km
    Orbit Epoch 2026-10-20T02:40:13+0000 2026-10-20T05:55:54+0000

    STARLINK-3987 & STARLINK-36743 Collision Probability (Pc) Trend

    STARLINK-3987 & STARLINK-36743 Collision Probability (Pc) TrendNot Available

    STARLINK-3987 & STARLINK-36743 Miss Distance (Miss Distance) Trend

    STARLINK-3987 & STARLINK-36743 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3987Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36743Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3987Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36743Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3987

    No nearby objects data