Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.758189E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:56:35+0800
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    1 Object 1

    AOE ID 57253
    NORAD ID 57253
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5516 STARLINK-33821
    Time of Closest Approach 2026-10-19T04:23:43+0000
    Collision Probability (Pc) 1.758189E-4
    Conjunction Distance (km) 0.407 km
    Relative Speed (km/s) 5.061 km/s
    Conjunction Risk Parameters R (Radial): -0.203 | I (In-track): -0.33 | C (Cross-track): 0.122
    Collision Risk Index (CRI) 0.8
    X Position (km) -3876.296 -3875.942
    Position Y (km) 3648.004 3648.155
    Position Z (km) -4333.117 -4332.985
    Velocity X (km/s) -6.088 -3.763
    Velocity Y (km/s) -4.138 -6.327
    Velocity Z (km/s) 1.963 -1.962

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5516 STARLINK-33821
    Semimajor Axis (a) 6861.485 km 6861.132 km
    Eccentricity (e) 0.000193 0.000131
    Inclination (i) 43.0032° 43.0000°
    RAAN 203.4432° 260.5455°
    Perigee Argument 241.7124° 272.3434°
    Mean Anomaly (M) 118.3533° 87.7268°
    Apogee 484.673 km 483.894 km
    Perigee 482.023 km 482.096 km
    Orbit Epoch 2026-10-18T03:34:54+0000 2026-10-18T08:29:05+0000

    STARLINK-5516 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-5516 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-5516 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-5516 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5516

    No nearby objects data