Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.993955E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T05:46:30+0800
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    1 Object 1

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58502
    NORAD ID 58502
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4121 OBJECT A
    Time of Closest Approach 2026-10-14T02:14:39+0000
    Collision Probability (Pc) 4.993955E-4
    Conjunction Distance (km) 0.297 km
    Relative Speed (km/s) 13.709 km/s
    Conjunction Risk Parameters R (Radial): -0.036 | I (In-track): -0.136 | C (Cross-track): 0.261
    Collision Risk Index (CRI) 0.89
    X Position (km) -2150.483 -2150.319
    Position Y (km) 4067.261 4067.463
    Position Z (km) -5066.104 -5065.962
    Velocity X (km/s) -7.207 3.886
    Velocity Y (km/s) -0.926 -4.209
    Velocity Z (km/s) 2.317 -5.038

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4121 OBJECT A
    Semimajor Axis (a) 6837.863 km 6841.575 km
    Eccentricity (e) 0.000132 0.001024
    Inclination (i) 53.1603° 97.4331°
    RAAN 178.0244° 305.6277°
    Perigee Argument 103.3044° 186.0638°
    Mean Anomaly (M) 256.8106° 174.0482°
    Apogee 460.628 km 470.445 km
    Perigee 458.824 km 456.431 km
    Orbit Epoch 2026-10-13T03:06:17+0000 2026-10-13T14:17:42+0000

    STARLINK-4121 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4121 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4121 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4121 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4121

    No nearby objects data