Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.811885E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:08:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57798
    NORAD ID 57798
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58477
    NORAD ID 58477
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-30965
    Time of Closest Approach 2026-09-13T14:47:12+0000
    Collision Probability (Pc) 1.811885E-6
    Conjunction Distance (km) 2.436 km
    Relative Speed (km/s) 14.402 km/s
    Conjunction Risk Parameters R (Radial): 1.498 | I (In-track): -0.646 | C (Cross-track): -1.808
    Collision Risk Index (CRI) 0.4
    X Position (km) -1240.459 -1238.542
    Position Y (km) -6683.145 -6682.119
    Position Z (km) -950.305 -949.208
    Velocity X (km/s) -1.286 5.663
    Velocity Y (km/s) -0.804 -0.33
    Velocity Z (km/s) 7.511 -5.094

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-30965
    Semimajor Axis (a) 6933.162 km 6861.214 km
    Eccentricity (e) 0.010872 0.000113
    Inclination (i) 98.3129° 42.9998°
    RAAN 255.0274° 85.8528°
    Perigee Argument 14.4230° 261.0190°
    Mean Anomaly (M) 346.0054° 99.0534°
    Apogee 630.403 km 483.852 km
    Perigee 479.647 km 482.302 km
    Orbit Epoch 2026-09-10T13:21:59+0000 2026-09-10T23:10:50+0000

    CZ-4C R/B & STARLINK-30965 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-30965 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-30965 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-30965 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-30965Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30965Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data