Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.170634E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:51:52+0800
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    1 Object 1

    Name SEMI-1P
    AOE ID 66298
    NORAD ID 66298
    Object Type PAYLOAD
    Country
    TR TR
    ← VS →

    2 Object 2

    AOE ID 66714
    NORAD ID 66714
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SEMI-1P FLOCK 4H 11
    Time of Closest Approach 2026-10-22T05:32:52+0000
    Collision Probability (Pc) 5.170634E-4
    Conjunction Distance (km) 0.292 km
    Relative Speed (km/s) 14.054 km/s
    Conjunction Risk Parameters R (Radial): -0.002 | I (In-track): 0.114 | C (Cross-track): 0.269
    Collision Risk Index (CRI) 0.89
    X Position (km) -5811.632 -5811.612
    Position Y (km) -1247.408 -1247.149
    Position Z (km) 3437.144 3437.278
    Velocity X (km/s) 3.483 -3.935
    Velocity Y (km/s) -5.579 0.316
    Velocity Z (km/s) 3.86 -6.519

    Orbital Parameters 国际轨道数据源

    Parameter SEMI-1P FLOCK 4H 11
    Semimajor Axis (a) 6877.484 km 6867.111 km
    Eccentricity (e) 0.001075 0.000124
    Inclination (i) 45.3984° 97.4086°
    RAAN 164.4210° 6.3402°
    Perigee Argument 12.0384° 299.3936°
    Mean Anomaly (M) 348.0758° 60.7178°
    Apogee 506.739 km 489.827 km
    Perigee 491.955 km 488.121 km
    Orbit Epoch 2026-10-20T21:51:03+0000 2026-10-20T18:15:48+0000

    SEMI-1P & FLOCK 4H 11 Collision Probability (Pc) Trend

    SEMI-1P & FLOCK 4H 11 Collision Probability (Pc) TrendNot Available

    SEMI-1P & FLOCK 4H 11 Miss Distance (Miss Distance) Trend

    SEMI-1P & FLOCK 4H 11 Miss Distance (Miss Distance) TrendNot Available

    SEMI-1PMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SEMI-1PCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SEMI-1P

    No nearby objects data