Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.334333E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:36:53+0800
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    1 Object 1

    AOE ID 52472
    NORAD ID 52472
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68382
    NORAD ID 68382
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3881 STARLINK-36946
    Time of Closest Approach 2026-09-13T07:29:09+0000
    Collision Probability (Pc) 2.334333E-6
    Conjunction Distance (km) 2.08 km
    Relative Speed (km/s) 12.505 km/s
    Conjunction Risk Parameters R (Radial): 1.968 | I (In-track): 0.394 | C (Cross-track): -0.546
    Collision Risk Index (CRI) 0.42
    X Position (km) -3676.417 -3676.915
    Position Y (km) -1925.868 -1926.655
    Position Z (km) -5448.261 -5450.121
    Velocity X (km/s) 2.739 4.509
    Velocity Y (km/s) -7.083 4.163
    Velocity Z (km/s) 0.656 -4.516

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3881 STARLINK-36946
    Semimajor Axis (a) 6843.388 km 6843.657 km
    Eccentricity (e) 0.000115 0.000111
    Inclination (i) 53.1604° 97.2845°
    RAAN 297.7140° 34.4507°
    Perigee Argument 90.8325° 87.9913°
    Mean Anomaly (M) 269.2809° 272.1457°
    Apogee 466.040 km 466.277 km
    Perigee 464.462 km 464.763 km
    Orbit Epoch 2026-09-11T02:40:14+0000 2026-09-10T09:34:00+0000

    STARLINK-3881 & STARLINK-36946 Collision Probability (Pc) Trend

    STARLINK-3881 & STARLINK-36946 Collision Probability (Pc) TrendNot Available

    STARLINK-3881 & STARLINK-36946 Miss Distance (Miss Distance) Trend

    STARLINK-3881 & STARLINK-36946 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3881Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36946Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3881Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36946Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3881

    No nearby objects data