Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.30716E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T14:49:40+0800
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    1 Object 1

    Name STEX
    AOE ID 25489
    NORAD ID 25489
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66409
    NORAD ID 66409
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STEX OBJECT A
    Time of Closest Approach 2026-11-01T09:06:19+0000
    Collision Probability (Pc) 1.30716E-6
    Conjunction Distance (km) 2.853 km
    Relative Speed (km/s) 12.706 km/s
    Conjunction Risk Parameters R (Radial): -2.607 | I (In-track): -0.606 | C (Cross-track): 0.985
    Collision Risk Index (CRI) 0.37
    X Position (km) -346.169 -346.797
    Position Y (km) 975.908 976.412
    Position Z (km) -7028.155 -7025.419
    Velocity X (km/s) -2.255 7.393
    Velocity Y (km/s) -7.08 1.16
    Velocity Z (km/s) -0.866 -0.204

    Orbital Parameters 国际轨道数据源

    Parameter STEX OBJECT A
    Semimajor Axis (a) 7097.443 km 7102.773 km
    Eccentricity (e) 0.000839 0.001224
    Inclination (i) 84.9815° 98.2364°
    RAAN 253.2360° 8.2352°
    Perigee Argument 346.9590° 270.6975°
    Mean Anomaly (M) 13.1395° 89.2817°
    Apogee 725.264 km 733.334 km
    Perigee 713.348 km 715.938 km
    Orbit Epoch 2026-10-31T20:19:04+0000 2026-10-31T21:56:10+0000

    STEX & OBJECT A Collision Probability (Pc) Trend

    STEX & OBJECT A Collision Probability (Pc) TrendNot Available

    STEX & OBJECT A Miss Distance (Miss Distance) Trend

    STEX & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STEXMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STEXCollision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STEX

    No nearby objects data