Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.163287E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T06:05:32+0800
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    1 Object 1

    AOE ID 52548
    NORAD ID 52548
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3931 STARLINK-5421
    Time of Closest Approach 2026-10-15T23:21:27+0000
    Collision Probability (Pc) 1.163287E-6
    Conjunction Distance (km) 2.768 km
    Relative Speed (km/s) 9.649 km/s
    Conjunction Risk Parameters R (Radial): 2.591 | I (In-track): -0.752 | C (Cross-track): 0.618
    Collision Risk Index (CRI) 0.36
    X Position (km) 2600.746 2598.913
    Position Y (km) 4620.978 4619.706
    Position Z (km) -4333.716 -4332.078
    Velocity X (km/s) -6.643 -3.652
    Velocity Y (km/s) 0.238 5.556
    Velocity Z (km/s) -3.737 3.738

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3931 STARLINK-5421
    Semimajor Axis (a) 6843.374 km 6840.811 km
    Eccentricity (e) 0.000122 0.000110
    Inclination (i) 53.1593° 53.1600°
    RAAN 205.1671° 102.0371°
    Perigee Argument 101.4484° 87.4652°
    Mean Anomaly (M) 258.6655° 272.6476°
    Apogee 466.071 km 463.424 km
    Perigee 464.403 km 461.924 km
    Orbit Epoch 2026-10-15T11:24:02+0000 2026-10-15T04:49:34+0000

    STARLINK-3931 & STARLINK-5421 Collision Probability (Pc) Trend

    STARLINK-3931 & STARLINK-5421 Collision Probability (Pc) TrendNot Available

    STARLINK-3931 & STARLINK-5421 Miss Distance (Miss Distance) Trend

    STARLINK-3931 & STARLINK-5421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3931

    No nearby objects data