Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.712032E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:01:16+0800
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    1 Object 1

    AOE ID 26127
    NORAD ID 26127
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    Name UK-DMC
    AOE ID 27942
    NORAD ID 27942
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter CZ-4 DEB UK-DMC
    Time of Closest Approach 2026-09-05T19:41:45+0000
    Collision Probability (Pc) 4.712032E-7
    Conjunction Distance (km) 2.531 km
    Relative Speed (km/s) 1.252 km/s
    Conjunction Risk Parameters R (Radial): 1.061 | I (In-track): 2.292 | C (Cross-track): 0.172
    Collision Risk Index (CRI) 0.28
    X Position (km) -894.647 -895.115
    Position Y (km) 533.782 531.486
    Position Z (km) -6882.737 -6881.781
    Velocity X (km/s) 2.631 1.45
    Velocity Y (km/s) 7.084 7.423
    Velocity Z (km/s) 0.169 0.404

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB UK-DMC
    Semimajor Axis (a) 6958.166 km 6984.893 km
    Eccentricity (e) 0.005086 0.005230
    Inclination (i) 98.4557° 98.0808°
    RAAN 67.8408° 78.0275°
    Perigee Argument 194.1874° 305.7595°
    Mean Anomaly (M) 318.9976° 53.8763°
    Apogee 615.417 km 643.289 km
    Perigee 544.641 km 570.223 km
    Orbit Epoch 2026-09-03T23:49:20+0000 2026-09-04T11:47:17+0000

    CZ-4 DEB & UK-DMC Collision Probability (Pc) Trend

    CZ-4 DEB & UK-DMC Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & UK-DMC Miss Distance (Miss Distance) Trend

    CZ-4 DEB & UK-DMC Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UK-DMCMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    UK-DMCCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data