Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.26238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:09:46+0800
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    1 Object 1

    AOE ID 47730
    NORAD ID 47730
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53508
    NORAD ID 53508
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2140 STARLINK-4443
    Time of Closest Approach 2026-09-06T05:28:18+0000
    Collision Probability (Pc) 1.26238E-6
    Conjunction Distance (km) 2.773 km
    Relative Speed (km/s) 11.178 km/s
    Conjunction Risk Parameters R (Radial): 2.757 | I (In-track): 0.194 | C (Cross-track): 0.224
    Collision Risk Index (CRI) 0.37
    X Position (km) -3967.039 -3965.312
    Position Y (km) -1196.687 -1195.981
    Position Z (km) 5443.395 5441.344
    Velocity X (km/s) 1.376 -6.154
    Velocity Y (km/s) -7.482 -0.186
    Velocity Z (km/s) -0.641 -4.514

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2140 STARLINK-4443
    Semimajor Axis (a) 6848.915 km 6843.703 km
    Eccentricity (e) 0.000118 0.000104
    Inclination (i) 53.1608° 97.2859°
    RAAN 111.7730° 4.7044°
    Perigee Argument 107.3930° 93.2876°
    Mean Anomaly (M) 252.7201° 266.8485°
    Apogee 471.587 km 466.277 km
    Perigee 469.969 km 464.855 km
    Orbit Epoch 2026-09-03T00:19:11+0000 2026-09-03T18:58:30+0000

    STARLINK-2140 & STARLINK-4443 Collision Probability (Pc) Trend

    STARLINK-2140 & STARLINK-4443 Collision Probability (Pc) TrendNot Available

    STARLINK-2140 & STARLINK-4443 Miss Distance (Miss Distance) Trend

    STARLINK-2140 & STARLINK-4443 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2140Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4443Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2140Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4443Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2140

    No nearby objects data