Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.764384E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:59:30+0800
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    1 Object 1

    AOE ID 40420
    NORAD ID 40420
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 44610
    NORAD ID 44610
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2503 CZ-2D DEB
    Time of Closest Approach 2026-09-13T16:50:12+0000
    Collision Probability (Pc) 1.764384E-6
    Conjunction Distance (km) 2.485 km
    Relative Speed (km/s) 14.643 km/s
    Conjunction Risk Parameters R (Radial): 2.081 | I (In-track): -0.354 | C (Cross-track): 1.311
    Collision Risk Index (CRI) 0.4
    X Position (km) -2036.95 -2038.712
    Position Y (km) 3179.596 3179.83
    Position Z (km) -5809.882 -5811.617
    Velocity X (km/s) 4.916 -1.633
    Velocity Y (km/s) -4.164 6.231
    Velocity Z (km/s) -3.99 3.976

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2503 CZ-2D DEB
    Semimajor Axis (a) 6924.120 km 6914.222 km
    Eccentricity (e) 0.001518 0.001685
    Inclination (i) 97.8221° 98.2273°
    RAAN 311.8438° 106.4007°
    Perigee Argument 326.8244° 163.0959°
    Mean Anomaly (M) 33.2030° 197.0833°
    Apogee 556.497 km 547.739 km
    Perigee 535.469 km 524.431 km
    Orbit Epoch 2026-09-10T17:39:28+0000 2026-09-10T12:45:27+0000

    COSMOS 2503 & CZ-2D DEB Collision Probability (Pc) Trend

    COSMOS 2503 & CZ-2D DEB Collision Probability (Pc) TrendNot Available

    COSMOS 2503 & CZ-2D DEB Miss Distance (Miss Distance) Trend

    COSMOS 2503 & CZ-2D DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-2D DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2503Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2D DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2503

    No nearby objects data