Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.318973E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T00:49:33+0800
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    1 Object 1

    AOE ID 3506
    NORAD ID 3506
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 11573
    NORAD ID 11573
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 249 DEB COSMOS 1140
    Time of Closest Approach 2026-10-25T04:51:11+0000
    Collision Probability (Pc) 1.318973E-6
    Conjunction Distance (km) 2.743 km
    Relative Speed (km/s) 11.736 km/s
    Conjunction Risk Parameters R (Radial): 0.652 | I (In-track): -1.642 | C (Cross-track): -2.096
    Collision Risk Index (CRI) 0.37
    X Position (km) -4096.191 -4095.414
    Position Y (km) 1105.659 1108.134
    Position Z (km) -5745.03 -5745.918
    Velocity X (km/s) 2.449 -6.049
    Velocity Y (km/s) -6.895 -1.94
    Velocity Z (km/s) -2.471 3.928

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB COSMOS 1140
    Semimajor Axis (a) 7675.105 km 7144.419 km
    Eccentricity (e) 0.094160 0.001682
    Inclination (i) 62.3707° 74.0673°
    RAAN 302.5321° 189.6440°
    Perigee Argument 290.4688° 260.6300°
    Mean Anomaly (M) 59.7736° 99.2953°
    Apogee 2019.656 km 778.299 km
    Perigee 574.280 km 754.265 km
    Orbit Epoch 2026-10-24T01:28:36+0000 2026-10-24T02:23:44+0000

    COSMOS 249 DEB & COSMOS 1140 Collision Probability (Pc) Trend

    COSMOS 249 DEB & COSMOS 1140 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & COSMOS 1140 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & COSMOS 1140 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1140Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1140Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data