Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.675704E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T16:58:00+0800
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    1 Object 1

    AOE ID 6323
    NORAD ID 6323
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name USA 18
    AOE ID 16631
    NORAD ID 16631
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 540 USA 18
    Time of Closest Approach 2026-11-04T15:13:48+0000
    Collision Probability (Pc) 1.675704E-6
    Conjunction Distance (km) 2.491 km
    Relative Speed (km/s) 13.526 km/s
    Conjunction Risk Parameters R (Radial): -0.591 | I (In-track): 1.09 | C (Cross-track): 2.16
    Collision Risk Index (CRI) 0.39
    X Position (km) 5832.989 5832.222
    Position Y (km) 1131.405 1133.698
    Position Z (km) 3941.811 3941.22
    Velocity X (km/s) 3.376 -4.665
    Velocity Y (km/s) 3.164 3.235
    Velocity Z (km/s) -5.883 4.993

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 540 USA 18
    Semimajor Axis (a) 7144.767 km 7292.038 km
    Eccentricity (e) 0.001701 0.073939
    Inclination (i) 74.0808° 63.2968°
    RAAN 205.1346° 357.6093°
    Perigee Argument 138.4791° 115.2053°
    Mean Anomaly (M) 221.7658° 252.7507°
    Apogee 778.782 km 1453.065 km
    Perigee 754.478 km 374.737 km
    Orbit Epoch 2026-11-02T20:48:17+0000 2026-11-02T11:24:17+0000

    COSMOS 540 & USA 18 Collision Probability (Pc) Trend

    COSMOS 540 & USA 18 Collision Probability (Pc) TrendNot Available

    COSMOS 540 & USA 18 Miss Distance (Miss Distance) Trend

    COSMOS 540 & USA 18 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 540Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    USA 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 540Collision Probability Trend

    Object 1 Probability TrendNot Available

    USA 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 540

    No nearby objects data