Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.366401E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T19:12:41+0800
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    1 Object 1

    AOE ID 26329
    NORAD ID 26329
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55918
    NORAD ID 55918
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-5867
    Time of Closest Approach 2026-09-14T06:31:51+0000
    Collision Probability (Pc) 1.366401E-6
    Conjunction Distance (km) 2.971 km
    Relative Speed (km/s) 15.018 km/s
    Conjunction Risk Parameters R (Radial): -0.509 | I (In-track): 0.376 | C (Cross-track): 2.903
    Collision Risk Index (CRI) 0.38
    X Position (km) -5439.739 -5439.152
    Position Y (km) 711.305 708.419
    Position Z (km) -4275.597 -4275.994
    Velocity X (km/s) 4.725 -4.58
    Velocity Y (km/s) 0.781 -2.713
    Velocity Z (km/s) -5.879 5.379

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-5867
    Semimajor Axis (a) 6979.040 km 6950.195 km
    Eccentricity (e) 0.004350 0.000273
    Inclination (i) 98.2969° 69.9994°
    RAAN 356.9319° 194.7764°
    Perigee Argument 233.8822° 269.4721°
    Mean Anomaly (M) 155.4688° 90.6125°
    Apogee 631.260 km 573.959 km
    Perigee 570.546 km 570.157 km
    Orbit Epoch 2026-09-12T05:18:08+0000 2026-09-12T00:14:12+0000

    CZ-4 DEB & STARLINK-5867 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-5867 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-5867 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-5867 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5867Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5867Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data