Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.390819E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T23:03:55+0800
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    1 Object 1

    AOE ID 3757
    NORAD ID 3757
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 65237
    NORAD ID 65237
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 249 DEB STARLINK-34958
    Time of Closest Approach 2026-10-19T21:31:18+0000
    Collision Probability (Pc) 2.390819E-6
    Conjunction Distance (km) 2.159 km
    Relative Speed (km/s) 14.975 km/s
    Conjunction Risk Parameters R (Radial): -2.08 | I (In-track): 0.141 | C (Cross-track): 0.556
    Collision Risk Index (CRI) 0.43
    X Position (km) 4531.804 4530.615
    Position Y (km) -3036.118 -3034.681
    Position Z (km) 4131.628 4130.542
    Velocity X (km/s) 5.682 -4.464
    Velocity Y (km/s) 1.702 1.529
    Velocity Z (km/s) -5.01 6.002

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB STARLINK-34958
    Semimajor Axis (a) 7091.760 km 6843.631 km
    Eccentricity (e) 0.034684 0.000073
    Inclination (i) 61.9722° 97.2798°
    RAAN 175.8455° 329.7426°
    Perigee Argument 141.7614° 134.4926°
    Mean Anomaly (M) 220.8612° 225.6376°
    Apogee 959.596 km 465.991 km
    Perigee 467.650 km 464.997 km
    Orbit Epoch 2026-10-18T01:58:59+0000 2026-10-17T20:48:39+0000

    COSMOS 249 DEB & STARLINK-34958 Collision Probability (Pc) Trend

    COSMOS 249 DEB & STARLINK-34958 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & STARLINK-34958 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & STARLINK-34958 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34958Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34958Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data