Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.419767E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T09:42:39+0800
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    1 Object 1

    AOE ID 52857
    NORAD ID 52857
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53256
    NORAD ID 53256
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4199 STARLINK-4147
    Time of Closest Approach 2026-10-25T09:46:40+0000
    Collision Probability (Pc) 1.419767E-4
    Conjunction Distance (km) 0.556 km
    Relative Speed (km/s) 12.226 km/s
    Conjunction Risk Parameters R (Radial): -0.21 | I (In-track): -0.312 | C (Cross-track): 0.408
    Collision Risk Index (CRI) 0.78
    X Position (km) -3968.633 -3968.337
    Position Y (km) -5572.704 -5573.174
    Position Z (km) 54.559 54.567
    Velocity X (km/s) 3.695 3.757
    Velocity Y (km/s) -2.701 -2.611
    Velocity Z (km/s) -6.113 6.112

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4199 STARLINK-4147
    Semimajor Axis (a) 6840.898 km 6840.194 km
    Eccentricity (e) 0.000107 0.000444
    Inclination (i) 53.1617° 53.1667°
    RAAN 61.1286° 239.6883°
    Perigee Argument 93.0869° 245.9722°
    Mean Anomaly (M) 267.0257° 114.0816°
    Apogee 463.497 km 465.095 km
    Perigee 462.025 km 459.019 km
    Orbit Epoch 2026-10-24T01:44:04+0000 2026-10-24T05:38:30+0000

    STARLINK-4199 & STARLINK-4147 Collision Probability (Pc) Trend

    STARLINK-4199 & STARLINK-4147 Collision Probability (Pc) TrendNot Available

    STARLINK-4199 & STARLINK-4147 Miss Distance (Miss Distance) Trend

    STARLINK-4199 & STARLINK-4147 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4199Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4199Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4199

    No nearby objects data