Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.52158E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:58:17+0800
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    1 Object 1

    AOE ID 60453
    NORAD ID 60453
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61908
    NORAD ID 61908
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter LEGION 4 OBJECT Q
    Time of Closest Approach 2026-10-22T11:02:24+0000
    Collision Probability (Pc) 1.52158E-6
    Conjunction Distance (km) 2.679 km
    Relative Speed (km/s) 14.127 km/s
    Conjunction Risk Parameters R (Radial): 1.41 | I (In-track): 0.85 | C (Cross-track): -2.113
    Collision Risk Index (CRI) 0.39
    X Position (km) -6138.931 -6140.368
    Position Y (km) -953.155 -955.379
    Position Z (km) 2988.559 2988.151
    Velocity X (km/s) 2.936 -3.398
    Velocity Y (km/s) -5.584 0.57
    Velocity Z (km/s) 4.25 -6.775

    Orbital Parameters 国际轨道数据源

    Parameter LEGION 4 OBJECT Q
    Semimajor Axis (a) 6896.804 km 6888.608 km
    Eccentricity (e) 0.000915 0.001109
    Inclination (i) 45.0009° 97.4012°
    RAAN 172.4592° 3.3622°
    Perigee Argument 285.2479° 348.9592°
    Mean Anomaly (M) 74.7387° 11.1398°
    Apogee 524.979 km 518.110 km
    Perigee 512.355 km 502.832 km
    Orbit Epoch 2026-10-20T03:30:52+0000 2026-10-20T12:29:59+0000

    LEGION 4 & OBJECT Q Collision Probability (Pc) Trend

    LEGION 4 & OBJECT Q Collision Probability (Pc) TrendNot Available

    LEGION 4 & OBJECT Q Miss Distance (Miss Distance) Trend

    LEGION 4 & OBJECT Q Miss Distance (Miss Distance) TrendNot Available

    LEGION 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT QMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LEGION 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT QCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LEGION 4

    No nearby objects data