Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.568356E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:07:13+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 28415
    NORAD ID 28415
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66487
    NORAD ID 66487
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-34733
    Time of Closest Approach 2026-10-21T07:23:50+0000
    Collision Probability (Pc) 2.568356E-6
    Conjunction Distance (km) 2.07 km
    Relative Speed (km/s) 14.299 km/s
    Conjunction Risk Parameters R (Radial): 1.152 | I (In-track): 0.592 | C (Cross-track): 1.615
    Collision Risk Index (CRI) 0.43
    X Position (km) 5500.317 5498.636
    Position Y (km) -3901.901 -3902.57
    Position Z (km) 1259.722 1258.718
    Velocity X (km/s) -1.697 4.05
    Velocity Y (km/s) -0.007 4.081
    Velocity Z (km/s) 7.427 -5.011

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-34733
    Semimajor Axis (a) 6847.445 km 6861.090 km
    Eccentricity (e) 0.002795 0.000148
    Inclination (i) 97.3268° 43.0028°
    RAAN 324.2789° 168.9201°
    Perigee Argument 250.3594° 255.6377°
    Mean Anomaly (M) 109.4630° 104.4311°
    Apogee 488.448 km 483.966 km
    Perigee 450.168 km 481.940 km
    Orbit Epoch 2026-10-19T13:01:52+0000 2026-10-19T01:19:47+0000

    CZ-4B R/B & STARLINK-34733 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-34733 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-34733 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-34733 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-34733Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34733Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data