Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.117431E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:23:05+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 64761
    NORAD ID 64761
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34635
    Time of Closest Approach 2026-09-04T14:27:28+0000
    Collision Probability (Pc) 5.117431E-6
    Conjunction Distance (km) 1.63 km
    Relative Speed (km/s) 14.718 km/s
    Conjunction Risk Parameters R (Radial): 0.838 | I (In-track): -0.383 | C (Cross-track): -1.344
    Collision Risk Index (CRI) 0.49
    X Position (km) -2413.462 -2412.652
    Position Y (km) 5943.598 5944.99
    Position Z (km) -2383.382 -2383.136
    Velocity X (km/s) 2.013 -5.289
    Velocity Y (km/s) -2.021 0.053
    Velocity Z (km/s) -7.107 5.502

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34635
    Semimajor Axis (a) 6886.956 km 6840.872 km
    Eccentricity (e) 0.007119 0.000131
    Inclination (i) 97.7768° 53.1577°
    RAAN 294.0917° 132.5019°
    Perigee Argument 198.8578° 81.8750°
    Mean Anomaly (M) 161.0018° 278.2401°
    Apogee 557.845 km 463.633 km
    Perigee 459.793 km 461.837 km
    Orbit Epoch 2026-09-03T17:01:28+0000 2026-09-03T16:41:04+0000

    CZ-4B R/B & STARLINK-34635 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34635 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34635 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34635 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34635Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34635Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data