Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.329301E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T20:22:58+0800
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    1 Object 1

    AOE ID 29538
    NORAD ID 29538
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53579
    NORAD ID 53579
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-4580
    Time of Closest Approach 2026-09-06T14:21:03+0000
    Collision Probability (Pc) 4.329301E-6
    Conjunction Distance (km) 1.621 km
    Relative Speed (km/s) 11.141 km/s
    Conjunction Risk Parameters R (Radial): -0.137 | I (In-track): -1.103 | C (Cross-track): -1.177
    Collision Risk Index (CRI) 0.48
    X Position (km) 3715.793 3714.513
    Position Y (km) 1867.466 1867.818
    Position Z (km) 5421.48 5422.409
    Velocity X (km/s) -4.493 -4.294
    Velocity Y (km/s) -4.23 6.27
    Velocity Z (km/s) 4.496 0.779

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-4580
    Semimajor Axis (a) 6834.032 km 6840.878 km
    Eccentricity (e) 0.003234 0.000133
    Inclination (i) 98.0743° 53.1608°
    RAAN 34.9082° 315.2728°
    Perigee Argument 162.5443° 90.0636°
    Mean Anomaly (M) 197.6918° 270.0519°
    Apogee 477.999 km 463.652 km
    Perigee 433.791 km 461.830 km
    Orbit Epoch 2026-09-04T08:59:17+0000 2026-09-05T05:09:50+0000

    CZ-4B DEB & STARLINK-4580 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-4580 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-4580 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-4580 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4580Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4580Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data