Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.933005E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:49:44+0800
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    1 Object 1

    AOE ID 42670
    NORAD ID 42670
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 49441
    NORAD ID 49441
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C DEB STARLINK-3128
    Time of Closest Approach 2026-09-05T01:07:06+0000
    Collision Probability (Pc) 2.933005E-6
    Conjunction Distance (km) 1.966 km
    Relative Speed (km/s) 14.358 km/s
    Conjunction Risk Parameters R (Radial): 0.324 | I (In-track): 0.662 | C (Cross-track): -1.822
    Collision Risk Index (CRI) 0.44
    X Position (km) 4467.141 4468.79
    Position Y (km) -3111.801 -3110.89
    Position Z (km) -4150.367 -4149.808
    Velocity X (km/s) 3.055 0.794
    Velocity Y (km/s) -3.648 6.453
    Velocity Z (km/s) 5.963 -3.987

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB STARLINK-3128
    Semimajor Axis (a) 6842.378 km 6840.878 km
    Eccentricity (e) 0.005254 0.000157
    Inclination (i) 97.4694° 53.1603°
    RAAN 316.7667° 116.9003°
    Perigee Argument 246.2020° 74.1980°
    Mean Anomaly (M) 113.3709° 285.9195°
    Apogee 500.192 km 463.812 km
    Perigee 428.290 km 461.670 km
    Orbit Epoch 2026-09-02T10:39:24+0000 2026-09-03T15:17:43+0000

    CZ-4C DEB & STARLINK-3128 Collision Probability (Pc) Trend

    CZ-4C DEB & STARLINK-3128 Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & STARLINK-3128 Miss Distance (Miss Distance) Trend

    CZ-4C DEB & STARLINK-3128 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data