Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.036766E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:34:18+0800
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    1 Object 1

    AOE ID 38039
    NORAD ID 38039
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65675
    NORAD ID 65675
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34749
    Time of Closest Approach 2026-09-05T08:36:38+0000
    Collision Probability (Pc) 1.036766E-5
    Conjunction Distance (km) 1.323 km
    Relative Speed (km/s) 15.071 km/s
    Conjunction Risk Parameters R (Radial): -1.056 | I (In-track): -0.146 | C (Cross-track): -0.783
    Collision Risk Index (CRI) 0.55
    X Position (km) 1244.124 1243.537
    Position Y (km) -5289.724 -5290.711
    Position Z (km) 4153.098 4153.755
    Velocity X (km/s) -0.319 -2.235
    Velocity Y (km/s) -4.841 4.185
    Velocity Z (km/s) -5.933 5.982

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34749
    Semimajor Axis (a) 6894.394 km 6843.665 km
    Eccentricity (e) 0.012286 0.000107
    Inclination (i) 98.4592° 97.2831°
    RAAN 93.2923° 286.0643°
    Perigee Argument 99.9478° 100.6685°
    Mean Anomaly (M) 261.5645° 259.4679°
    Apogee 600.961 km 466.264 km
    Perigee 431.553 km 464.792 km
    Orbit Epoch 2026-09-02T07:09:22+0000 2026-09-02T13:06:17+0000

    CZ-4B R/B & STARLINK-34749 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34749 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34749 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34749 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34749Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34749Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data