Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.343727E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T03:20:35+0800
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    1 Object 1

    AOE ID 26121
    NORAD ID 26121
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52349
    NORAD ID 52349
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-3819
    Time of Closest Approach 2026-10-21T14:31:17+0000
    Collision Probability (Pc) 1.343727E-6
    Conjunction Distance (km) 2.987 km
    Relative Speed (km/s) 14.743 km/s
    Conjunction Risk Parameters R (Radial): -1.436 | I (In-track): -0.678 | C (Cross-track): -2.528
    Collision Risk Index (CRI) 0.38
    X Position (km) -4221.711 -4222.861
    Position Y (km) -4929.207 -4926.878
    Position Z (km) -2177.655 -2176.182
    Velocity X (km/s) 0.621 2.443
    Velocity Y (km/s) 2.591 -4.564
    Velocity Z (km/s) -7.153 5.608

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-3819
    Semimajor Axis (a) 6844.942 km 6840.864 km
    Eccentricity (e) 0.002831 0.000122
    Inclination (i) 98.6775° 53.1610°
    RAAN 50.7863° 250.3376°
    Perigee Argument 125.9470° 86.8318°
    Mean Anomaly (M) 234.4401° 273.2824°
    Apogee 486.185 km 463.561 km
    Perigee 447.425 km 461.893 km
    Orbit Epoch 2026-10-20T06:19:50+0000 2026-10-20T05:47:42+0000

    CZ-4 DEB & STARLINK-3819 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-3819 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-3819 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-3819 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3819Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3819Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data