Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.273884E-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 49744
    NORAD ID 49744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2387 STARLINK-3231
    Time of Closest Approach 2026-10-21T07:43:10+0000
    Collision Probability (Pc) 7.273884E-6
    Conjunction Distance (km) 1.277 km
    Relative Speed (km/s) 7.576 km/s
    Conjunction Risk Parameters R (Radial): 0.591 | I (In-track): -0.978 | C (Cross-track): 0.568
    Collision Risk Index (CRI) 0.52
    X Position (km) 3850.713 3850.386
    Position Y (km) -2739.627 -2740.783
    Position Z (km) 4946.976 4947.408
    Velocity X (km/s) 1.609 6.078
    Velocity Y (km/s) 6.991 3.81
    Velocity Z (km/s) 2.612 -2.613

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2387 STARLINK-3231
    Semimajor Axis (a) 6848.707 km 6848.829 km
    Eccentricity (e) 0.000143 0.000108
    Inclination (i) 53.1579° 53.1586°
    RAAN 283.5536° 207.2981°
    Perigee Argument 87.1884° 88.6437°
    Mean Anomaly (M) 272.9281° 271.4688°
    Apogee 471.550 km 471.429 km
    Perigee 469.590 km 469.955 km
    Orbit Epoch 2026-10-19T00:37:53+0000 2026-10-18T22:50:30+0000

    STARLINK-2387 & STARLINK-3231 Collision Probability (Pc) Trend

    STARLINK-2387 & STARLINK-3231 Collision Probability (Pc) TrendNot Available

    STARLINK-2387 & STARLINK-3231 Miss Distance (Miss Distance) Trend

    STARLINK-2387 & STARLINK-3231 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2387Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3231Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2387Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3231Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2387

    No nearby objects data