Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.16755E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:46:58+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 51778
    NORAD ID 51778
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4C DEB STARLINK-3615
    Time of Closest Approach 2026-10-21T00:45:57+0000
    Collision Probability (Pc) 3.16755E-6
    Conjunction Distance (km) 1.572 km
    Relative Speed (km/s) 6.012 km/s
    Conjunction Risk Parameters R (Radial): 1.552 | I (In-track): -0.235 | C (Cross-track): -0.088
    Collision Risk Index (CRI) 0.45
    X Position (km) 6509.236 6507.816
    Position Y (km) 924.593 924.47
    Position Z (km) -1906.769 -1906.107
    Velocity X (km/s) 2.185 0.969
    Velocity Y (km/s) -0.732 4.949
    Velocity Z (km/s) 7.274 5.729

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB STARLINK-3615
    Semimajor Axis (a) 6840.301 km 6840.863 km
    Eccentricity (e) 0.005466 0.000131
    Inclination (i) 97.4643° 53.1582°
    RAAN 5.3145° 24.2804°
    Perigee Argument 76.6321° 89.9763°
    Mean Anomaly (M) 284.1007° 270.1390°
    Apogee 499.552 km 463.625 km
    Perigee 424.776 km 461.827 km
    Orbit Epoch 2026-10-20T10:45:09+0000 2026-10-20T06:05:44+0000

    CZ-4C DEB & STARLINK-3615 Collision Probability (Pc) Trend

    CZ-4C DEB & STARLINK-3615 Collision Probability (Pc) TrendNot Available

    CZ-4C DEB & STARLINK-3615 Miss Distance (Miss Distance) Trend

    CZ-4C DEB & STARLINK-3615 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3615Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3615Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C DEB

    No nearby objects data