Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.47067E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:57:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 53416
    NORAD ID 53416
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C DEB STARLINK-4480
    Time of Closest Approach 2026-10-20T07:34:30+0000
    Collision Probability (Pc) 1.47067E-6
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 14.749 km/s
    Conjunction Risk Parameters R (Radial): -2.777 | I (In-track): -0.08 | C (Cross-track): 0.219
    Collision Risk Index (CRI) 0.38
    X Position (km) 6676.368 6673.661
    Position Y (km) 774.598 774.076
    Position Z (km) -1285.824 -1285.409
    Velocity X (km/s) 1.481 -1.66
    Velocity Y (km/s) -0.844 4.498
    Velocity Z (km/s) 7.441 -5.943

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB STARLINK-4480
    Semimajor Axis (a) 6840.371 km 6837.878 km
    Eccentricity (e) 0.005475 0.000124
    Inclination (i) 97.4640° 53.1606°
    RAAN 3.7975° 184.0202°
    Perigee Argument 81.8572° 86.4757°
    Mean Anomaly (M) 278.8876° 273.6388°
    Apogee 499.686 km 460.592 km
    Perigee 424.782 km 458.890 km
    Orbit Epoch 2026-10-18T22:45:30+0000 2026-10-19T02:36:57+0000

    CZ-4C DEB & STARLINK-4480 Collision Probability (Pc) Trend

    CZ-4C DEB & STARLINK-4480 Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & STARLINK-4480 Miss Distance (Miss Distance) Trend

    CZ-4C DEB & STARLINK-4480 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4480Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4480Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data