Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.313446E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:38:47+0800
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    1 Object 1

    AOE ID 35573
    NORAD ID 35573
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59439
    NORAD ID 59439
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-31708
    Time of Closest Approach 2026-09-13T16:22:13+0000
    Collision Probability (Pc) 1.313446E-6
    Conjunction Distance (km) 2.882 km
    Relative Speed (km/s) 13.109 km/s
    Conjunction Risk Parameters R (Radial): -0.253 | I (In-track): -1.458 | C (Cross-track): -2.472
    Collision Risk Index (CRI) 0.37
    X Position (km) 4109.264 4110.342
    Position Y (km) 1153.596 1156.06
    Position Z (km) -5352.942 -5351.906
    Velocity X (km/s) 6.037 -3.555
    Velocity Y (km/s) -0.03 6.617
    Velocity Z (km/s) 4.668 -1.302

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-31708
    Semimajor Axis (a) 6854.105 km 6840.857 km
    Eccentricity (e) 0.004445 0.000134
    Inclination (i) 97.7934° 53.1598°
    RAAN 1.1361° 137.8013°
    Perigee Argument 26.6600° 90.0091°
    Mean Anomaly (M) 333.6911° 270.1065°
    Apogee 506.437 km 463.639 km
    Perigee 445.499 km 461.801 km
    Orbit Epoch 2026-09-09T05:52:12+0000 2026-09-11T02:17:07+0000

    CZ-4B DEB & STARLINK-31708 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-31708 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-31708 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-31708 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31708Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31708Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data