Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.263819E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:33:24+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 58419
    NORAD ID 58419
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-30917
    Time of Closest Approach 2026-10-27T17:04:09+0000
    Collision Probability (Pc) 2.263819E-5
    Conjunction Distance (km) 0.99 km
    Relative Speed (km/s) 10.917 km/s
    Conjunction Risk Parameters R (Radial): -0.622 | I (In-track): 0.535 | C (Cross-track): -0.554
    Collision Risk Index (CRI) 0.62
    X Position (km) 5078.165 5078.15
    Position Y (km) -287.843 -287.394
    Position Z (km) -4611.223 -4610.341
    Velocity X (km/s) 4.916 1.228
    Velocity Y (km/s) -1.673 7.464
    Velocity Z (km/s) 5.59 0.889

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-30917
    Semimajor Axis (a) 6885.727 km 6861.321 km
    Eccentricity (e) 0.007129 0.000098
    Inclination (i) 97.7676° 42.9917°
    RAAN 349.0455° 77.0260°
    Perigee Argument 16.4736° 13.6894°
    Mean Anomaly (M) 343.8791° 346.3984°
    Apogee 556.677 km 483.860 km
    Perigee 458.503 km 482.508 km
    Orbit Epoch 2026-10-27T03:01:47+0000 2026-10-27T01:43:32+0000

    CZ-4B R/B & STARLINK-30917 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-30917 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-30917 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-30917 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30917Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30917Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data