Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.581834E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:17:31+0800
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    1 Object 1

    Name CERISE
    AOE ID 23606
    NORAD ID 23606
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CERISE STARLINK-5421
    Time of Closest Approach 2026-09-04T05:48:29+0000
    Collision Probability (Pc) 4.581834E-5
    Conjunction Distance (km) 0.856 km
    Relative Speed (km/s) 14.803 km/s
    Conjunction Risk Parameters R (Radial): 0.271 | I (In-track): 0.192 | C (Cross-track): 0.789
    Collision Risk Index (CRI) 0.68
    X Position (km) 2835.983 2836.783
    Position Y (km) -6220.427 -6220.366
    Position Z (km) 141.634 141.336
    Velocity X (km/s) -0.935 4.11
    Velocity Y (km/s) -0.606 2.022
    Velocity Z (km/s) -7.554 6.112

    Orbital Parameters 国际轨道数据源

    Parameter CERISE STARLINK-5421
    Semimajor Axis (a) 6832.228 km 6837.865 km
    Eccentricity (e) 0.000450 0.000137
    Inclination (i) 98.3009° 53.1599°
    RAAN 113.8583° 296.0672°
    Perigee Argument 333.3917° 62.4276°
    Mean Anomaly (M) 26.7093° 297.6865°
    Apogee 457.167 km 460.663 km
    Perigee 451.015 km 458.793 km
    Orbit Epoch 2026-09-03T19:39:37+0000 2026-09-03T17:18:14+0000

    CERISE & STARLINK-5421 Collision Probability (Pc) Trend

    CERISE & STARLINK-5421 Collision Probability (Pc) TrendNot Available

    CERISE & STARLINK-5421 Miss Distance (Miss Distance) Trend

    CERISE & STARLINK-5421 Miss Distance (Miss Distance) TrendNot Available

    CERISEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CERISECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CERISE

    No nearby objects data