Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.044557E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T14:08:27+0800
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    1 Object 1

    AOE ID 51117
    NORAD ID 51117
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64764
    NORAD ID 64764
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3391 STARLINK-34261
    Time of Closest Approach 2026-10-21T21:45:52+0000
    Collision Probability (Pc) 1.044557E-6
    Conjunction Distance (km) 2.661 km
    Relative Speed (km/s) 7.23 km/s
    Conjunction Risk Parameters R (Radial): 2.497 | I (In-track): -0.807 | C (Cross-track): -0.441
    Collision Risk Index (CRI) 0.35
    X Position (km) -3910.061 -3911.985
    Position Y (km) -2536.958 -2537.11
    Position Z (km) -5010.445 -5012.277
    Velocity X (km/s) 5.875 1.434
    Velocity Y (km/s) -4.194 -7.073
    Velocity Z (km/s) -2.463 2.462

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3391 STARLINK-34261
    Semimajor Axis (a) 6837.865 km 6840.839 km
    Eccentricity (e) 0.000100 0.000063
    Inclination (i) 53.1607° 53.1607°
    RAAN 345.8889° 273.9171°
    Perigee Argument 57.7875° 85.8609°
    Mean Anomaly (M) 302.3225° 274.2466°
    Apogee 460.414 km 463.136 km
    Perigee 459.042 km 462.268 km
    Orbit Epoch 2026-10-20T11:53:24+0000 2026-10-20T08:32:07+0000

    STARLINK-3391 & STARLINK-34261 Collision Probability (Pc) Trend

    STARLINK-3391 & STARLINK-34261 Collision Probability (Pc) TrendNot Available

    STARLINK-3391 & STARLINK-34261 Miss Distance (Miss Distance) Trend

    STARLINK-3391 & STARLINK-34261 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3391Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34261Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3391Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34261Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3391

    No nearby objects data