Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.488938E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T11:12:17+0800
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    1 Object 1

    AOE ID 57173
    NORAD ID 57173
    Object Type UNKNOWN
    Country
    TBD TBD
    ← VS →

    2 Object 2

    AOE ID 57254
    NORAD ID 57254
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT H STARLINK-5490
    Time of Closest Approach 2026-10-16T00:50:39+0000
    Collision Probability (Pc) 1.488938E-6
    Conjunction Distance (km) 2.68 km
    Relative Speed (km/s) 13.619 km/s
    Conjunction Risk Parameters R (Radial): 0.55 | I (In-track): 1.168 | C (Cross-track): -2.347
    Collision Risk Index (CRI) 0.38
    X Position (km) -5547.752 -5547.719
    Position Y (km) 1163.57 1165.734
    Position Z (km) -3871.226 -3869.647
    Velocity X (km/s) 4.391 -3.339
    Velocity Y (km/s) 0.307 -6.193
    Velocity Z (km/s) -6.212 2.925

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT H STARLINK-5490
    Semimajor Axis (a) 6851.342 km 6861.204 km
    Eccentricity (e) 0.001030 0.000073
    Inclination (i) 97.4909° 43.0052°
    RAAN 351.5556° 225.5065°
    Perigee Argument 58.7483° 304.0786°
    Mean Anomaly (M) 301.4766° 55.9996°
    Apogee 480.262 km 483.567 km
    Perigee 466.148 km 482.567 km
    Orbit Epoch 2026-10-14T07:07:25+0000 2026-10-14T05:08:52+0000

    OBJECT H & STARLINK-5490 Collision Probability (Pc) Trend

    OBJECT H & STARLINK-5490 Collision Probability (Pc) TrendNot Available

    OBJECT H & STARLINK-5490 Miss Distance (Miss Distance) Trend

    OBJECT H & STARLINK-5490 Miss Distance (Miss Distance) TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5490Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT HCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5490Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT H

    No nearby objects data