Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.107709E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:47:27+0800
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    1 Object 1

    AOE ID 35270
    NORAD ID 35270
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58517
    NORAD ID 58517
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-31011
    Time of Closest Approach 2026-09-13T03:39:50+0000
    Collision Probability (Pc) 2.107709E-6
    Conjunction Distance (km) 2.105 km
    Relative Speed (km/s) 11.096 km/s
    Conjunction Risk Parameters R (Radial): 0.376 | I (In-track): 1.424 | C (Cross-track): 1.504
    Collision Risk Index (CRI) 0.41
    X Position (km) -4630.007 -4631.277
    Position Y (km) -2028.655 -2027.878
    Position Z (km) 4630.808 4629.321
    Velocity X (km/s) 4.084 3.634
    Velocity Y (km/s) 3.334 -6.668
    Velocity Z (km/s) 5.493 0.712

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-31011
    Semimajor Axis (a) 6838.090 km 6861.204 km
    Eccentricity (e) 0.004527 0.000086
    Inclination (i) 97.8733° 43.0005°
    RAAN 208.2209° 136.2620°
    Perigee Argument 186.2456° 259.3798°
    Mean Anomaly (M) 173.8228° 100.6958°
    Apogee 490.910 km 483.655 km
    Perigee 428.996 km 482.479 km
    Orbit Epoch 2026-09-10T14:28:37+0000 2026-09-11T01:05:23+0000

    CZ-4 DEB & STARLINK-31011 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-31011 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-31011 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-31011 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31011Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31011Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data