Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.723573E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:39:00+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 57919
    NORAD ID 57919
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C DEB STARLINK-30496
    Time of Closest Approach 2026-10-21T00:40:00+0000
    Collision Probability (Pc) 1.723573E-6
    Conjunction Distance (km) 2.433 km
    Relative Speed (km/s) 13.185 km/s
    Conjunction Risk Parameters R (Radial): -2.195 | I (In-track): 0.525 | C (Cross-track): 0.907
    Collision Risk Index (CRI) 0.4
    X Position (km) 5239.204 5240.638
    Position Y (km) 1107.012 1106.49
    Position Z (km) -4290.276 -4292.17
    Velocity X (km/s) 4.82 -3.098
    Velocity Y (km/s) -0.276 6.645
    Velocity Z (km/s) 5.881 -2.071

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB STARLINK-30496
    Semimajor Axis (a) 6840.301 km 6861.195 km
    Eccentricity (e) 0.005466 0.000107
    Inclination (i) 97.4643° 43.0019°
    RAAN 5.3145° 138.4123°
    Perigee Argument 76.6321° 272.3041°
    Mean Anomaly (M) 284.1007° 87.7688°
    Apogee 499.552 km 483.795 km
    Perigee 424.776 km 482.321 km
    Orbit Epoch 2026-10-20T10:45:09+0000 2026-10-20T00:03:13+0000

    CZ-4C DEB & STARLINK-30496 Collision Probability (Pc) Trend

    CZ-4C DEB & STARLINK-30496 Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & STARLINK-30496 Miss Distance (Miss Distance) Trend

    CZ-4C DEB & STARLINK-30496 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30496Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30496Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data