Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.312995E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:30:26+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 55489
    NORAD ID 55489
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-5371
    Time of Closest Approach 2026-09-05T10:44:06+0000
    Collision Probability (Pc) 4.312995E-5
    Conjunction Distance (km) 0.84 km
    Relative Speed (km/s) 12.387 km/s
    Conjunction Risk Parameters R (Radial): -0.01 | I (In-track): 0.492 | C (Cross-track): -0.679
    Collision Risk Index (CRI) 0.68
    X Position (km) -2761.144 -2760.439
    Position Y (km) 4244.243 4244.223
    Position Z (km) 4622.016 4622.471
    Velocity X (km/s) -1.574 -5.948
    Velocity Y (km/s) 4.986 -4.711
    Velocity Z (km/s) -5.572 0.772

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-5371
    Semimajor Axis (a) 6886.947 km 6861.187 km
    Eccentricity (e) 0.007123 0.000188
    Inclination (i) 97.7767° 43.0052°
    RAAN 294.6340° 51.7405°
    Perigee Argument 197.0214° 267.9597°
    Mean Anomaly (M) 162.8630° 92.1040°
    Apogee 557.868 km 484.337 km
    Perigee 459.752 km 481.763 km
    Orbit Epoch 2026-09-04T05:40:21+0000 2026-09-04T04:33:51+0000

    CZ-4B R/B & STARLINK-5371 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-5371 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-5371 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-5371 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-5371Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5371Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data