Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.857356E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:03:01+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 57667
    NORAD ID 57667
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5421 STARLINK-30275
    Time of Closest Approach 2026-10-22T17:18:41+0000
    Collision Probability (Pc) 6.857356E-6
    Conjunction Distance (km) 1.429 km
    Relative Speed (km/s) 12.076 km/s
    Conjunction Risk Parameters R (Radial): 1.048 | I (In-track): -0.595 | C (Cross-track): -0.767
    Collision Risk Index (CRI) 0.52
    X Position (km) -3564.205 -3565.573
    Position Y (km) -5665.362 -5665.712
    Position Z (km) 1404.475 1404.69
    Velocity X (km/s) 3.295 4.623
    Velocity Y (km/s) -3.548 -1.435
    Velocity Z (km/s) -5.908 5.907

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5421 STARLINK-30275
    Semimajor Axis (a) 6840.830 km 6840.808 km
    Eccentricity (e) 0.000154 0.000091
    Inclination (i) 53.1579° 53.1614°
    RAAN 81.0291° 240.3524°
    Perigee Argument 87.2936° 98.4482°
    Mean Anomaly (M) 272.8242° 261.6624°
    Apogee 463.744 km 463.291 km
    Perigee 461.642 km 462.051 km
    Orbit Epoch 2026-10-19T16:41:28+0000 2026-10-20T05:50:37+0000

    STARLINK-5421 & STARLINK-30275 Collision Probability (Pc) Trend

    STARLINK-5421 & STARLINK-30275 Collision Probability (Pc) TrendNot Available

    STARLINK-5421 & STARLINK-30275 Miss Distance (Miss Distance) Trend

    STARLINK-5421 & STARLINK-30275 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30275Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30275Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5421

    No nearby objects data