Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.817395E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:18:39+0800
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    1 Object 1

    AOE ID 52472
    NORAD ID 52472
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65255
    NORAD ID 65255
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3881 STARLINK-34987
    Time of Closest Approach 2026-10-20T04:36:43+0000
    Collision Probability (Pc) 1.817395E-6
    Conjunction Distance (km) 2.416 km
    Relative Speed (km/s) 14.105 km/s
    Conjunction Risk Parameters R (Radial): 2.187 | I (In-track): 0.396 | C (Cross-track): 0.948
    Collision Risk Index (CRI) 0.4
    X Position (km) 4701.491 4703.65
    Position Y (km) -1822.37 -1822.271
    Position Z (km) -4634.573 -4635.654
    Velocity X (km/s) -0.544 4.261
    Velocity Y (km/s) 6.872 -3.058
    Velocity Z (km/s) -3.258 5.531

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3881 STARLINK-34987
    Semimajor Axis (a) 6843.372 km 6843.665 km
    Eccentricity (e) 0.000140 0.000172
    Inclination (i) 53.1575° 97.2818°
    RAAN 120.9296° 330.9890°
    Perigee Argument 88.7183° 84.0729°
    Mean Anomaly (M) 271.3980° 276.0709°
    Apogee 466.194 km 466.706 km
    Perigee 464.276 km 464.350 km
    Orbit Epoch 2026-10-18T23:25:32+0000 2026-10-19T02:10:33+0000

    STARLINK-3881 & STARLINK-34987 Collision Probability (Pc) Trend

    STARLINK-3881 & STARLINK-34987 Collision Probability (Pc) TrendNot Available

    STARLINK-3881 & STARLINK-34987 Miss Distance (Miss Distance) Trend

    STARLINK-3881 & STARLINK-34987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3881Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3881Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3881

    No nearby objects data