Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.931414E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T00:09:10+0800
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    1 Object 1

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58374
    NORAD ID 58374
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5421 STARLINK-30911
    Time of Closest Approach 2026-10-29T13:04:31+0000
    Collision Probability (Pc) 7.931414E-6
    Conjunction Distance (km) 1.135 km
    Relative Speed (km/s) 4.768 km/s
    Conjunction Risk Parameters R (Radial): -0.559 | I (In-track): 0.938 | C (Cross-track): -0.307
    Collision Risk Index (CRI) 0.53
    X Position (km) -899.732 -900.624
    Position Y (km) 4219.609 4219.057
    Position Z (km) 5299.714 5299.28
    Velocity X (km/s) -6.711 -7.484
    Velocity Y (km/s) -3.323 0.295
    Velocity Z (km/s) 1.503 -1.503

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5421 STARLINK-30911
    Semimajor Axis (a) 6840.985 km 6840.858 km
    Eccentricity (e) 0.000107 0.000109
    Inclination (i) 53.1618° 53.1615°
    RAAN 44.1852° 358.9373°
    Perigee Argument 29.9394° 91.3766°
    Mean Anomaly (M) 330.1670° 268.7361°
    Apogee 463.583 km 463.466 km
    Perigee 462.113 km 461.976 km
    Orbit Epoch 2026-10-27T13:50:47+0000 2026-10-27T10:35:57+0000

    STARLINK-5421 & STARLINK-30911 Collision Probability (Pc) Trend

    STARLINK-5421 & STARLINK-30911 Collision Probability (Pc) TrendNot Available

    STARLINK-5421 & STARLINK-30911 Miss Distance (Miss Distance) Trend

    STARLINK-5421 & STARLINK-30911 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30911Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30911Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5421

    No nearby objects data