Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.292953E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T19:12:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 3784
    NORAD ID 3784
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 67479
    NORAD ID 67479
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 252 DEB TIANQI 40
    Time of Closest Approach 2026-10-12T00:58:35+0000
    Collision Probability (Pc) 3.292953E-6
    Conjunction Distance (km) 1.783 km
    Relative Speed (km/s) 11.329 km/s
    Conjunction Risk Parameters R (Radial): 1.138 | I (In-track): 0.928 | C (Cross-track): -1.012
    Collision Risk Index (CRI) 0.45
    X Position (km) 1647.787 1646.715
    Position Y (km) 6432.8 6434.03
    Position Z (km) 2945.92 2946.64
    Velocity X (km/s) -4.454 -5.084
    Velocity Y (km/s) -1.969 3.269
    Velocity Z (km/s) 5.734 -4.292

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB TIANQI 40
    Semimajor Axis (a) 7496.018 km 7274.776 km
    Eccentricity (e) 0.063747 0.000953
    Inclination (i) 62.2407° 44.9827°
    RAAN 65.1152° 287.8660°
    Perigee Argument 91.6502° 176.2907°
    Mean Anomaly (M) 275.7585° 183.7998°
    Apogee 1595.734 km 903.569 km
    Perigee 640.028 km 889.709 km
    Orbit Epoch 2026-10-10T21:56:04+0000 2026-10-10T17:26:26+0000

    COSMOS 252 DEB & TIANQI 40 Collision Probability (Pc) Trend

    COSMOS 252 DEB & TIANQI 40 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & TIANQI 40 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & TIANQI 40 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 40Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 40Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data