Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    4.32644E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T14:27:25+0800
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    1 Object 1

    AOE ID 48865
    NORAD ID 48865
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55109
    NORAD ID 55109
    Object Type PAYLOAD
    Country
    CH CH

    Conjunction Constraints

    Parameter COSMOS 2550 ASTROCAST-0402
    Time of Closest Approach 2026-10-16T17:17:47+0000
    Collision Probability (Pc) 4.32644E-4
    Conjunction Distance (km) 0.289 km
    Relative Speed (km/s) 9.02 km/s
    Conjunction Risk Parameters R (Radial): -0.075 | I (In-track): 0.227 | C (Cross-track): -0.162
    Collision Risk Index (CRI) 0.88
    X Position (km) -2471.915 -2472.003
    Position Y (km) -2035.925 -2036.124
    Position Z (km) 6045.326 6045.137
    Velocity X (km/s) 1.127 -6.362
    Velocity Y (km/s) -7.279 -2.461
    Velocity Z (km/s) -1.989 -3.426

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2550 ASTROCAST-0402
    Semimajor Axis (a) 6842.538 km 6850.192 km
    Eccentricity (e) 0.000843 0.000524
    Inclination (i) 67.1395° 97.5574°
    RAAN 95.4807° 23.9437°
    Perigee Argument 269.5919° 153.4026°
    Mean Anomaly (M) 90.4270° 206.7485°
    Apogee 470.169 km 475.642 km
    Perigee 458.633 km 468.468 km
    Orbit Epoch 2026-10-15T15:47:39+0000 2026-10-15T17:15:46+0000

    COSMOS 2550 & ASTROCAST-0402 Collision Probability (Pc) Trend

    COSMOS 2550 & ASTROCAST-0402 Collision Probability (Pc) TrendNot Available

    COSMOS 2550 & ASTROCAST-0402 Miss Distance (Miss Distance) Trend

    COSMOS 2550 & ASTROCAST-0402 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2550Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ASTROCAST-0402Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2550Collision Probability Trend

    Object 1 Probability TrendNot Available

    ASTROCAST-0402Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2550

    No nearby objects data