Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.734546E-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 61900
    NORAD ID 61900
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4504 OBJECT G
    Time of Closest Approach 2026-10-22T22:05:43+0000
    Collision Probability (Pc) 3.734546E-6
    Conjunction Distance (km) 1.763 km
    Relative Speed (km/s) 13.086 km/s
    Conjunction Risk Parameters R (Radial): -1.442 | I (In-track): -0.504 | C (Cross-track): -0.878
    Collision Risk Index (CRI) 0.46
    X Position (km) 4273.904 4272.633
    Position Y (km) 837.503 836.494
    Position Z (km) -5382.385 -5381.696
    Velocity X (km/s) -3.131 5.948
    Velocity Y (km/s) 6.753 -0.417
    Velocity Z (km/s) -1.437 4.676

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4504 OBJECT G
    Semimajor Axis (a) 6917.891 km 6907.979 km
    Eccentricity (e) 0.000159 0.001981
    Inclination (i) 53.1597° 97.4012°
    RAAN 128.4614° 0.8781°
    Perigee Argument 92.3723° 74.4803°
    Mean Anomaly (M) 267.7451° 285.8614°
    Apogee 540.857 km 543.526 km
    Perigee 538.651 km 516.158 km
    Orbit Epoch 2026-10-21T17:56:18+0000 2026-10-21T22:30:01+0000

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

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

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

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

    STARLINK-4504Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT GMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4504Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT GCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4504

    No nearby objects data