Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.883975E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:46:39+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 2026-10-20T04:43:03+0000
    Collision Probability (Pc) 5.883975E-5
    Conjunction Distance (km) 0.625 km
    Relative Speed (km/s) 5.066 km/s
    Conjunction Risk Parameters R (Radial): 0.598 | I (In-track): -0.171 | C (Cross-track): 0.064
    Collision Risk Index (CRI) 0.7
    X Position (km) 3488.814 3488.649
    Position Y (km) -4012.13 -4011.662
    Position Z (km) 4328.331 4327.952
    Velocity X (km/s) 6.48 4.379
    Velocity Y (km/s) 3.512 5.929
    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) 6861.225 km 6861.132 km
    Eccentricity (e) 0.000136 0.000131
    Inclination (i) 43.0030° 43.0000°
    RAAN 199.7510° 260.5455°
    Perigee Argument 271.8095° 272.3434°
    Mean Anomaly (M) 88.2601° 87.7268°
    Apogee 484.021 km 483.894 km
    Perigee 482.155 km 482.096 km
    Orbit Epoch 2026-10-18T19:16:27+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