Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.511426E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:38:41+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67178
    NORAD ID 67178
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-35878
    Time of Closest Approach 2026-10-28T19:56:18+0000
    Collision Probability (Pc) 9.511426E-5
    Conjunction Distance (km) 0.629 km
    Relative Speed (km/s) 10.886 km/s
    Conjunction Risk Parameters R (Radial): -0.606 | I (In-track): -0.108 | C (Cross-track): -0.123
    Collision Risk Index (CRI) 0.75
    X Position (km) 5085.54 5086.086
    Position Y (km) -187.14 -187.073
    Position Z (km) -4604.172 -4604.475
    Velocity X (km/s) 4.946 1.112
    Velocity Y (km/s) -1.574 7.48
    Velocity Z (km/s) 5.596 0.925

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-35878
    Semimajor Axis (a) 6885.727 km 6861.160 km
    Eccentricity (e) 0.007129 0.000166
    Inclination (i) 97.7676° 43.0012°
    RAAN 349.0455° 87.2331°
    Perigee Argument 16.4736° 271.0691°
    Mean Anomaly (M) 343.8791° 88.9970°
    Apogee 556.677 km 484.161 km
    Perigee 458.503 km 481.885 km
    Orbit Epoch 2026-10-27T03:01:47+0000 2026-10-26T11:47:38+0000

    CZ-4B R/B & STARLINK-35878 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-35878 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-35878 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-35878 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data