Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.871607E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:45:00+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 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) 2.871607E-6
    Conjunction Distance (km) 1.624 km
    Relative Speed (km/s) 6.012 km/s
    Conjunction Risk Parameters R (Radial): -1.507 | I (In-track): -0.558 | C (Cross-track): 0.225
    Collision Risk Index (CRI) 0.44
    X Position (km) 6509.33 6507.756
    Position Y (km) 924.535 924.163
    Position Z (km) -1906.321 -1906.462
    Velocity X (km/s) 2.184 0.97
    Velocity Y (km/s) -0.732 4.949
    Velocity Z (km/s) 7.275 5.729

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C DEB STARLINK-3615
    Semimajor Axis (a) 6840.322 km 6840.863 km
    Eccentricity (e) 0.005468 0.000131
    Inclination (i) 97.4641° 53.1582°
    RAAN 4.7868° 24.2804°
    Perigee Argument 78.4440° 89.9763°
    Mean Anomaly (M) 282.2934° 270.1390°
    Apogee 499.585 km 463.625 km
    Perigee 424.785 km 461.827 km
    Orbit Epoch 2026-10-19T22:13:58+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