Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.371493E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:36:56+0800
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    1 Object 1

    AOE ID 53408
    NORAD ID 53408
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66256
    NORAD ID 66256
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4491 STARLINK-35619
    Time of Closest Approach 2026-10-19T12:13:48+0000
    Collision Probability (Pc) 1.371493E-6
    Conjunction Distance (km) 2.647 km
    Relative Speed (km/s) 11.449 km/s
    Conjunction Risk Parameters R (Radial): -2.495 | I (In-track): 0.584 | C (Cross-track): 0.661
    Collision Risk Index (CRI) 0.38
    X Position (km) -5905.673 -5907.558
    Position Y (km) 1892.635 1894.165
    Position Z (km) -2889.676 -2890.729
    Velocity X (km/s) -3.839 0.758
    Velocity Y (km/s) -4.07 -5.543
    Velocity Z (km/s) 5.191 -5.19

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4491 STARLINK-35619
    Semimajor Axis (a) 6837.871 km 6840.775 km
    Eccentricity (e) 0.000115 0.000037
    Inclination (i) 53.1594° 53.1622°
    RAAN 185.0896° 325.0021°
    Perigee Argument 85.0958° 97.7178°
    Mean Anomaly (M) 275.0176° 262.3866°
    Apogee 460.522 km 462.891 km
    Perigee 458.946 km 462.385 km
    Orbit Epoch 2026-10-18T23:52:14+0000 2026-10-18T19:40:44+0000

    STARLINK-4491 & STARLINK-35619 Collision Probability (Pc) Trend

    STARLINK-4491 & STARLINK-35619 Collision Probability (Pc) TrendNot Available

    STARLINK-4491 & STARLINK-35619 Miss Distance (Miss Distance) Trend

    STARLINK-4491 & STARLINK-35619 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35619Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35619Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4491

    No nearby objects data