Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.429834E-6
    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 65277
    NORAD ID 65277
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-34935
    Time of Closest Approach 2026-10-21T11:39:44+0000
    Collision Probability (Pc) 1.429834E-6
    Conjunction Distance (km) 2.874 km
    Relative Speed (km/s) 15.1 km/s
    Conjunction Risk Parameters R (Radial): -0.532 | I (In-track): -0.535 | C (Cross-track): 2.773
    Collision Risk Index (CRI) 0.38
    X Position (km) -6227.373 -6225.889
    Position Y (km) 1724.147 1726.514
    Position Z (km) 2254.964 2255.637
    Velocity X (km/s) 1.132 -2.138
    Velocity Y (km/s) -4.267 1.657
    Velocity Z (km/s) 6.359 -7.139

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-34935
    Semimajor Axis (a) 7043.066 km 6843.675 km
    Eccentricity (e) 0.028132 0.000064
    Inclination (i) 62.2964° 97.2913°
    RAAN 162.0030° 339.0772°
    Perigee Argument 21.5157° 119.1848°
    Mean Anomaly (M) 339.7470° 240.9459°
    Apogee 863.068 km 465.976 km
    Perigee 466.790 km 465.100 km
    Orbit Epoch 2026-10-19T00:44:56+0000 2026-10-18T14:03:32+0000

    COSMOS 252 DEB & STARLINK-34935 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-34935 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-34935 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-34935 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34935Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34935Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data