Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.241542E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:07:50+0800
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    1 Object 1

    AOE ID 52462
    NORAD ID 52462
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53491
    NORAD ID 53491
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3903 STARLINK-4450
    Time of Closest Approach 2026-10-21T09:10:22+0000
    Collision Probability (Pc) 3.241542E-6
    Conjunction Distance (km) 1.653 km
    Relative Speed (km/s) 7.858 km/s
    Conjunction Risk Parameters R (Radial): -1.585 | I (In-track): 0.399 | C (Cross-track): -0.234
    Collision Risk Index (CRI) 0.45
    X Position (km) -1842.57 -1842.082
    Position Y (km) -4855.331 -4854.525
    Position Z (km) 4438.76 4437.402
    Velocity X (km/s) 4.551 -2.954
    Velocity Y (km/s) -4.996 -4.118
    Velocity Z (km/s) -3.565 -5.717

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3903 STARLINK-4450
    Semimajor Axis (a) 6837.862 km 6833.268 km
    Eccentricity (e) 0.000146 0.000025
    Inclination (i) 53.1589° 97.4386°
    RAAN 120.7627° 60.6761°
    Perigee Argument 84.0337° 298.4846°
    Mean Anomaly (M) 276.0832° 61.6372°
    Apogee 460.721 km 455.306 km
    Perigee 458.729 km 454.956 km
    Orbit Epoch 2026-10-18T21:15:50+0000 2026-10-19T06:34:12+0000

    STARLINK-3903 & STARLINK-4450 Collision Probability (Pc) Trend

    STARLINK-3903 & STARLINK-4450 Collision Probability (Pc) TrendNot Available

    STARLINK-3903 & STARLINK-4450 Miss Distance (Miss Distance) Trend

    STARLINK-3903 & STARLINK-4450 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3903Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4450Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3903Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4450Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3903

    No nearby objects data