Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.477732E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T13:12:36+0800
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    1 Object 1

    AOE ID 54091
    NORAD ID 54091
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66220
    NORAD ID 66220
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5221 STARLINK-35677
    Time of Closest Approach 2026-10-24T04:22:49+0000
    Collision Probability (Pc) 5.477732E-6
    Conjunction Distance (km) 1.513 km
    Relative Speed (km/s) 11.43 km/s
    Conjunction Risk Parameters R (Radial): 1.167 | I (In-track): -0.641 | C (Cross-track): 0.718
    Collision Risk Index (CRI) 0.5
    X Position (km) 4506.746 4508.174
    Position Y (km) 4216.494 4216.512
    Position Z (km) 2935.993 2936.491
    Velocity X (km/s) -5.263 -1.664
    Velocity Y (km/s) 2.021 5.388
    Velocity Z (km/s) 5.157 -5.155

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5221 STARLINK-35677
    Semimajor Axis (a) 6837.845 km 6840.689 km
    Eccentricity (e) 0.000121 0.000609
    Inclination (i) 53.1635° 53.1634°
    RAAN 29.8502° 250.1937°
    Perigee Argument 81.7151° 79.5963°
    Mean Anomaly (M) 278.3989° 280.5726°
    Apogee 460.534 km 466.720 km
    Perigee 458.882 km 458.384 km
    Orbit Epoch 2026-10-22T13:11:03+0000 2026-10-22T20:28:42+0000

    STARLINK-5221 & STARLINK-35677 Collision Probability (Pc) Trend

    STARLINK-5221 & STARLINK-35677 Collision Probability (Pc) TrendNot Available

    STARLINK-5221 & STARLINK-35677 Miss Distance (Miss Distance) Trend

    STARLINK-5221 & STARLINK-35677 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35677Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35677Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5221

    No nearby objects data