Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.063086E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T02:45:08+0800
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    1 Object 1

    AOE ID 50621
    NORAD ID 50621
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 62270
    NORAD ID 62270
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1408 DEB STARLINK-11479
    Time of Closest Approach 2026-08-30T11:42:40+0000
    Collision Probability (Pc) 1.063086E-6
    Conjunction Distance (km) 2.867 km
    Relative Speed (km/s) 8.937 km/s
    Conjunction Risk Parameters R (Radial): 0.28 | I (In-track): -2.326 | C (Cross-track): -1.651
    Collision Risk Index (CRI) 0.36
    X Position (km) -4831.931 -4830.93
    Position Y (km) 1219.356 1216.999
    Position Z (km) 4518.666 4519.954
    Velocity X (km/s) 4.608 -1.077
    Velocity Y (km/s) -2.549 -7.573
    Velocity Z (km/s) 5.609 0.886

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1408 DEB STARLINK-11479
    Semimajor Axis (a) 6722.925 km 6734.543 km
    Eccentricity (e) 0.001370 0.000119
    Inclination (i) 82.5664° 42.9998°
    RAAN 160.8818° 97.5646°
    Perigee Argument 260.7045° 287.0636°
    Mean Anomaly (M) 99.2671° 73.0102°
    Apogee 353.996 km 357.207 km
    Perigee 335.580 km 355.605 km
    Orbit Epoch 2026-08-28T18:21:39+0000 2026-08-29T01:48:24+0000

    COSMOS 1408 DEB & STARLINK-11479 Collision Probability (Pc) Trend

    COSMOS 1408 DEB & STARLINK-11479 Collision Probability (Pc) TrendNot Available

    COSMOS 1408 DEB & STARLINK-11479 Miss Distance (Miss Distance) Trend

    COSMOS 1408 DEB & STARLINK-11479 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1408 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11479Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1408 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11479Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1408 DEB

    No nearby objects data