Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.324692E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T18:41:35+0800
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    1 Object 1

    AOE ID 53555
    NORAD ID 53555
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66997
    NORAD ID 66997
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4504 OBJECT E
    Time of Closest Approach 2026-10-22T22:07:19+0000
    Collision Probability (Pc) 1.324692E-6
    Conjunction Distance (km) 2.817 km
    Relative Speed (km/s) 12.623 km/s
    Conjunction Risk Parameters R (Radial): -2.112 | I (In-track): -1.039 | C (Cross-track): -1.546
    Collision Risk Index (CRI) 0.37
    X Position (km) 3948.682 3946.937
    Position Y (km) 1482.935 1480.897
    Position Z (km) -5490.678 -5489.82
    Velocity X (km/s) -3.607 6.08
    Velocity Y (km/s) 6.619 0.516
    Velocity Z (km/s) -0.807 4.508

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4504 OBJECT E
    Semimajor Axis (a) 6917.891 km 6923.134 km
    Eccentricity (e) 0.000159 0.001278
    Inclination (i) 53.1597° 97.6238°
    RAAN 128.4614° 9.5440°
    Perigee Argument 92.3723° 292.9936°
    Mean Anomaly (M) 267.7451° 66.9943°
    Apogee 540.857 km 553.845 km
    Perigee 538.651 km 536.149 km
    Orbit Epoch 2026-10-21T17:56:18+0000 2026-10-21T22:27:20+0000

    STARLINK-4504 & OBJECT E Collision Probability (Pc) Trend

    STARLINK-4504 & OBJECT E Collision Probability (Pc) TrendNot Available

    STARLINK-4504 & OBJECT E Miss Distance (Miss Distance) Trend

    STARLINK-4504 & OBJECT E Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4504Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4504Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4504

    No nearby objects data