Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.000981E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:42:33+0800
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    1 Object 1

    AOE ID 52258
    NORAD ID 52258
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57882
    NORAD ID 57882
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-30339
    Time of Closest Approach 2026-09-05T23:44:40+0000
    Collision Probability (Pc) 1.000981E-6
    Conjunction Distance (km) 2.996 km
    Relative Speed (km/s) 8.822 km/s
    Conjunction Risk Parameters R (Radial): 0.916 | I (In-track): -2.335 | C (Cross-track): 1.638
    Collision Risk Index (CRI) 0.35
    X Position (km) -3160.969 -3162.344
    Position Y (km) 4808.185 4808.035
    Position Z (km) 3730.172 3727.516
    Velocity X (km/s) -1.158 -6.673
    Velocity Y (km/s) 4.142 -1.95
    Velocity Z (km/s) -6.346 -3.138

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-30339
    Semimajor Axis (a) 6933.598 km 6861.166 km
    Eccentricity (e) 0.011163 0.000092
    Inclination (i) 98.2328° 43.0016°
    RAAN 295.9251° 359.6861°
    Perigee Argument 169.6930° 274.3596°
    Mean Anomaly (M) 190.6621° 85.7151°
    Apogee 632.863 km 483.661 km
    Perigee 478.059 km 482.397 km
    Orbit Epoch 2026-09-04T02:22:39+0000 2026-09-03T19:24:19+0000

    CZ-4C R/B & STARLINK-30339 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-30339 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-30339 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-30339 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data