Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.547794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:55:35+0800
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    1 Object 1

    AOE ID 43264
    NORAD ID 43264
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63949
    NORAD ID 63949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C R/B STARLINK-33993
    Time of Closest Approach 2026-10-22T06:13:53+0000
    Collision Probability (Pc) 1.547794E-6
    Conjunction Distance (km) 2.72 km
    Relative Speed (km/s) 15.129 km/s
    Conjunction Risk Parameters R (Radial): -2.698 | I (In-track): -0.026 | C (Cross-track): 0.332
    Collision Risk Index (CRI) 0.39
    X Position (km) -4132.906 -4131.528
    Position Y (km) -3598.996 -3597.37
    Position Z (km) 4115.641 4113.952
    Velocity X (km/s) 2.489 -0.985
    Velocity Y (km/s) 3.957 -5.183
    Velocity Z (km/s) 6.034 -5.51

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B STARLINK-33993
    Semimajor Axis (a) 6867.103 km 6852.695 km
    Eccentricity (e) 0.007370 0.000367
    Inclination (i) 98.1312° 70.0008°
    RAAN 225.0685° 61.4867°
    Perigee Argument 326.1797° 270.3973°
    Mean Anomaly (M) 33.4749° 89.6782°
    Apogee 539.578 km 477.071 km
    Perigee 438.354 km 472.045 km
    Orbit Epoch 2026-10-20T06:50:47+0000 2026-10-20T12:50:11+0000

    CZ-4C R/B & STARLINK-33993 Collision Probability (Pc) Trend

    CZ-4C R/B & STARLINK-33993 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & STARLINK-33993 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & STARLINK-33993 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-33993Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33993Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data