Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.299777E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:40:22+0800
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    1 Object 1

    AOE ID 47806
    NORAD ID 47806
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53658
    NORAD ID 53658
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2387 STARLINK-4452
    Time of Closest Approach 2026-10-21T11:44:24+0000
    Collision Probability (Pc) 1.299777E-6
    Conjunction Distance (km) 2.793 km
    Relative Speed (km/s) 11.962 km/s
    Conjunction Risk Parameters R (Radial): -2.771 | I (In-track): 0.204 | C (Cross-track): 0.275
    Collision Risk Index (CRI) 0.37
    X Position (km) -4112.559 -4111.11
    Position Y (km) -38.761 -38.957
    Position Z (km) -5483.351 -5480.972
    Velocity X (km/s) 0.203 -5.971
    Velocity Y (km/s) -7.616 1.554
    Velocity Z (km/s) -0.099 4.471

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2387 STARLINK-4452
    Semimajor Axis (a) 6848.707 km 6843.605 km
    Eccentricity (e) 0.000143 0.000160
    Inclination (i) 53.1579° 97.2844°
    RAAN 283.5536° 168.3541°
    Perigee Argument 87.1884° 93.4545°
    Mean Anomaly (M) 272.9281° 266.6881°
    Apogee 471.550 km 466.563 km
    Perigee 469.590 km 464.373 km
    Orbit Epoch 2026-10-19T00:37:53+0000 2026-10-19T02:01:42+0000

    STARLINK-2387 & STARLINK-4452 Collision Probability (Pc) Trend

    STARLINK-2387 & STARLINK-4452 Collision Probability (Pc) TrendNot Available

    STARLINK-2387 & STARLINK-4452 Miss Distance (Miss Distance) Trend

    STARLINK-2387 & STARLINK-4452 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2387Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4452Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2387Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4452Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2387

    No nearby objects data