Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.073723E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T11:40:08+0800
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    1 Object 1

    AOE ID 9973
    NORAD ID 9973
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 40555
    NORAD ID 40555
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 252 DEB COSMOS 2504
    Time of Closest Approach 2026-10-27T17:01:26+0000
    Collision Probability (Pc) 2.073723E-6
    Conjunction Distance (km) 2.085 km
    Relative Speed (km/s) 10.432 km/s
    Conjunction Risk Parameters R (Radial): 1.463 | I (In-track): -0.959 | C (Cross-track): -1.133
    Collision Risk Index (CRI) 0.41
    X Position (km) -3062.716 -3062.957
    Position Y (km) 2385.977 2387.832
    Position Z (km) 6729.274 6730.195
    Velocity X (km/s) -5.742 3.389
    Velocity Y (km/s) -3.707 -4.948
    Velocity Z (km/s) -1.315 3.573

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB COSMOS 2504
    Semimajor Axis (a) 7364.510 km 7408.601 km
    Eccentricity (e) 0.055920 0.060665
    Inclination (i) 62.4099° 82.5160°
    RAAN 33.8814° 130.4374°
    Perigee Argument 279.4225° 279.5308°
    Mean Anomaly (M) 74.4041° 73.7819°
    Apogee 1398.194 km 1479.909 km
    Perigee 574.552 km 581.019 km
    Orbit Epoch 2026-10-25T06:50:40+0000 2026-10-25T17:05:21+0000

    COSMOS 252 DEB & COSMOS 2504 Collision Probability (Pc) Trend

    COSMOS 252 DEB & COSMOS 2504 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & COSMOS 2504 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & COSMOS 2504 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data