Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.667891E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-28T18:47:08+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 59198
    NORAD ID 59198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-31590
    Time of Closest Approach 2026-08-28T12:49:36+0000
    Collision Probability (Pc) 2.667891E-6
    Conjunction Distance (km) 2.04 km
    Relative Speed (km/s) 14.355 km/s
    Conjunction Risk Parameters R (Radial): 1.69 | I (In-track): 0.375 | C (Cross-track): 1.08
    Collision Risk Index (CRI) 0.44
    X Position (km) 6023.907 6022.855
    Position Y (km) 3225.919 3224.213
    Position Z (km) -640.142 -640.521
    Velocity X (km/s) 1.123 -3.065
    Velocity Y (km/s) -0.615 4.71
    Velocity Z (km/s) 7.501 -5.154

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-31590
    Semimajor Axis (a) 6837.678 km 6861.194 km
    Eccentricity (e) 0.003417 0.000114
    Inclination (i) 98.0728° 43.0001°
    RAAN 24.4829° 211.0765°
    Perigee Argument 194.7870° 260.3246°
    Mean Anomaly (M) 165.2375° 99.7477°
    Apogee 482.908 km 483.840 km
    Perigee 436.174 km 482.274 km
    Orbit Epoch 2026-08-25T20:43:55+0000 2026-08-26T23:54:55+0000

    CZ-4B DEB & STARLINK-31590 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-31590 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-31590 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-31590 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31590Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31590Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data