Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.213016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:44:50+0800
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    1 Object 1

    AOE ID 52618
    NORAD ID 52618
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53570
    NORAD ID 53570
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3983 STARLINK-4550
    Time of Closest Approach 2026-10-22T04:10:50+0000
    Collision Probability (Pc) 1.213016E-6
    Conjunction Distance (km) 2.897 km
    Relative Speed (km/s) 11.545 km/s
    Conjunction Risk Parameters R (Radial): 2.633 | I (In-track): -0.781 | C (Cross-track): 0.922
    Collision Risk Index (CRI) 0.37
    X Position (km) 2662.13 2662.063
    Position Y (km) -5676.792 -5679.494
    Position Z (km) -2738.207 -2739.25
    Velocity X (km/s) 5.499 3.541
    Velocity Y (km/s) 0.032 4.206
    Velocity Z (km/s) 5.292 -5.292

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3983 STARLINK-4550
    Semimajor Axis (a) 6837.888 km 6840.868 km
    Eccentricity (e) 0.000141 0.000120
    Inclination (i) 53.1586° 53.1593°
    RAAN 327.0155° 107.1435°
    Perigee Argument 93.5232° 95.1785°
    Mean Anomaly (M) 266.5932° 264.9355°
    Apogee 460.714 km 463.554 km
    Perigee 458.788 km 461.908 km
    Orbit Epoch 2026-10-19T10:41:51+0000 2026-10-19T18:59:33+0000

    STARLINK-3983 & STARLINK-4550 Collision Probability (Pc) Trend

    STARLINK-3983 & STARLINK-4550 Collision Probability (Pc) TrendNot Available

    STARLINK-3983 & STARLINK-4550 Miss Distance (Miss Distance) Trend

    STARLINK-3983 & STARLINK-4550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3983Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3983Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3983

    No nearby objects data