Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.95442E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:39:27+0800
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    1 Object 1

    AOE ID 51980
    NORAD ID 51980
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63494
    NORAD ID 63494
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3649 STARLINK-33819
    Time of Closest Approach 2026-10-21T22:00:11+0000
    Collision Probability (Pc) 3.95442E-5
    Conjunction Distance (km) 0.772 km
    Relative Speed (km/s) 7.4 km/s
    Conjunction Risk Parameters R (Radial): 0.751 | I (In-track): -0.155 | C (Cross-track): 0.092
    Collision Risk Index (CRI) 0.67
    X Position (km) 3806.939 3807.465
    Position Y (km) 2749.691 2749.847
    Position Z (km) -4981.62 -4982.163
    Velocity X (km/s) -1.721 -6.084
    Velocity Y (km/s) 6.981 3.83
    Velocity Z (km/s) 2.539 -2.539

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3649 STARLINK-33819
    Semimajor Axis (a) 6840.992 km 6840.895 km
    Eccentricity (e) 0.000098 0.000272
    Inclination (i) 53.1607° 53.1558°
    RAAN 100.0390° 174.9266°
    Perigee Argument 105.1490° 78.7998°
    Mean Anomaly (M) 254.9620° 281.3310°
    Apogee 463.525 km 464.619 km
    Perigee 462.185 km 460.897 km
    Orbit Epoch 2026-10-19T10:52:58+0000 2026-10-19T09:32:10+0000

    STARLINK-3649 & STARLINK-33819 Collision Probability (Pc) Trend

    STARLINK-3649 & STARLINK-33819 Collision Probability (Pc) TrendNot Available

    STARLINK-3649 & STARLINK-33819 Miss Distance (Miss Distance) Trend

    STARLINK-3649 & STARLINK-33819 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3649Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33819Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3649Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33819Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3649

    No nearby objects data