Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.268396E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T22:51:39+0800
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    1 Object 1

    AOE ID 3549
    NORAD ID 3549
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 64150
    NORAD ID 64150
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-34209
    Time of Closest Approach 2026-10-21T21:28:29+0000
    Collision Probability (Pc) 2.268396E-4
    Conjunction Distance (km) 0.48 km
    Relative Speed (km/s) 15.091 km/s
    Conjunction Risk Parameters R (Radial): 0.091 | I (In-track): -0.098 | C (Cross-track): 0.461
    Collision Risk Index (CRI) 0.82
    X Position (km) -6146.723 -6146.633
    Position Y (km) 1724.864 1725.305
    Position Z (km) 2465.235 2465.402
    Velocity X (km/s) 1.288 -2.353
    Velocity Y (km/s) -4.367 1.738
    Velocity Z (km/s) 6.261 -7.051

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-34209
    Semimajor Axis (a) 7043.066 km 6843.691 km
    Eccentricity (e) 0.028132 0.000160
    Inclination (i) 62.2964° 97.2859°
    RAAN 162.0030° 338.3067°
    Perigee Argument 21.5157° 77.2522°
    Mean Anomaly (M) 339.7470° 272.4212°
    Apogee 863.068 km 466.652 km
    Perigee 466.790 km 464.456 km
    Orbit Epoch 2026-10-19T00:44:56+0000 2026-10-18T16:00:02+0000

    COSMOS 252 DEB & STARLINK-34209 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-34209 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-34209 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-34209 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34209Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34209Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data