Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.127727E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T21:48:03+0800
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    1 Object 1

    AOE ID 29537
    NORAD ID 29537
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 39767
    NORAD ID 39767
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter CZ-4B DEB UNIFORM 1
    Time of Closest Approach 2026-09-04T15:47:32+0000
    Collision Probability (Pc) 2.127727E-6
    Conjunction Distance (km) 2.075 km
    Relative Speed (km/s) 10.659 km/s
    Conjunction Risk Parameters R (Radial): -2.043 | I (In-track): -0.255 | C (Cross-track): -0.245
    Collision Risk Index (CRI) 0.42
    X Position (km) 1157.441 1157.959
    Position Y (km) 657.42 657.308
    Position Z (km) -6836.951 -6838.956
    Velocity X (km/s) -1.901 7.183
    Velocity Y (km/s) -7.265 -2.098
    Velocity Z (km/s) -1.078 1.018

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB UNIFORM 1
    Semimajor Axis (a) 7018.192 km 6956.970 km
    Eccentricity (e) 0.011291 0.000600
    Inclination (i) 97.7815° 97.8057°
    RAAN 252.5977° 344.3342°
    Perigee Argument 226.5778° 56.4334°
    Mean Anomaly (M) 132.5993° 303.7459°
    Apogee 719.301 km 583.005 km
    Perigee 560.809 km 574.661 km
    Orbit Epoch 2026-09-02T23:34:34+0000 2026-09-04T04:55:25+0000

    CZ-4B DEB & UNIFORM 1 Collision Probability (Pc) Trend

    CZ-4B DEB & UNIFORM 1 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & UNIFORM 1 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & UNIFORM 1 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UNIFORM 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    UNIFORM 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data