Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.708642E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T09:42:39+0800
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    1 Object 1

    AOE ID 53256
    NORAD ID 53256
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54772
    NORAD ID 54772
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4147 STARLINK-5452
    Time of Closest Approach 2026-10-25T12:54:37+0000
    Collision Probability (Pc) 1.708642E-5
    Conjunction Distance (km) 1.099 km
    Relative Speed (km/s) 12.223 km/s
    Conjunction Risk Parameters R (Radial): -0.271 | I (In-track): -0.643 | C (Cross-track): 0.849
    Collision Risk Index (CRI) 0.6
    X Position (km) -3937.754 -3938.468
    Position Y (km) -5591.381 -5590.546
    Position Z (km) 199.078 199.063
    Velocity X (km/s) 3.847 3.636
    Velocity Y (km/s) -2.487 -2.788
    Velocity Z (km/s) 6.109 -6.109

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4147 STARLINK-5452
    Semimajor Axis (a) 6840.194 km 6840.889 km
    Eccentricity (e) 0.000444 0.000124
    Inclination (i) 53.1667° 53.1615°
    RAAN 239.6883° 61.7187°
    Perigee Argument 245.9722° 92.4021°
    Mean Anomaly (M) 114.0816° 267.7124°
    Apogee 465.095 km 463.599 km
    Perigee 459.019 km 461.905 km
    Orbit Epoch 2026-10-24T05:38:30+0000 2026-10-24T08:00:00+0000

    STARLINK-4147 & STARLINK-5452 Collision Probability (Pc) Trend

    STARLINK-4147 & STARLINK-5452 Collision Probability (Pc) TrendNot Available

    STARLINK-4147 & STARLINK-5452 Miss Distance (Miss Distance) Trend

    STARLINK-4147 & STARLINK-5452 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4147Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5452Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4147Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5452Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4147

    No nearby objects data