Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.390378E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:53:19+0800
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    1 Object 1

    AOE ID 37770
    NORAD ID 37770
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name PTD-4
    AOE ID 60565
    NORAD ID 60565
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-2C DEB PTD-4
    Time of Closest Approach 2026-10-21T22:38:23+0000
    Collision Probability (Pc) 1.390378E-6
    Conjunction Distance (km) 2.894 km
    Relative Speed (km/s) 14.617 km/s
    Conjunction Risk Parameters R (Radial): 0.704 | I (In-track): -0.783 | C (Cross-track): 2.696
    Collision Risk Index (CRI) 0.38
    X Position (km) 2503.164 2501.559
    Position Y (km) 2197.165 2199.491
    Position Z (km) -6006.697 -6007.32
    Velocity X (km/s) -3.374 6.191
    Velocity Y (km/s) -5.843 2.645
    Velocity Z (km/s) -3.531 3.548

    Orbital Parameters 国际轨道数据源

    Parameter CZ-2C DEB PTD-4
    Semimajor Axis (a) 6871.861 km 6863.247 km
    Eccentricity (e) 0.002108 0.000181
    Inclination (i) 97.9231° 97.6929°
    RAAN 233.5614° 24.9297°
    Perigee Argument 295.1917° 338.2630°
    Mean Anomaly (M) 94.3260° 21.8531°
    Apogee 508.211 km 486.352 km
    Perigee 479.237 km 483.868 km
    Orbit Epoch 2026-10-19T19:17:17+0000 2026-10-19T17:26:12+0000

    CZ-2C DEB & PTD-4 Collision Probability (Pc) Trend

    CZ-2C DEB & PTD-4 Collision Probability (Pc) TrendNot Available

    CZ-2C DEB & PTD-4 Miss Distance (Miss Distance) Trend

    CZ-2C DEB & PTD-4 Miss Distance (Miss Distance) TrendNot Available

    CZ-2C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PTD-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-2C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PTD-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-2C DEB

    No nearby objects data