Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.561623E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:07:45+0800
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    1 Object 1

    AOE ID 52129
    NORAD ID 52129
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52707
    NORAD ID 52707
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3661 STARLINK-4007
    Time of Closest Approach 2026-09-13T05:50:47+0000
    Collision Probability (Pc) 1.561623E-6
    Conjunction Distance (km) 2.08 km
    Relative Speed (km/s) 6.488 km/s
    Conjunction Risk Parameters R (Radial): -1.007 | I (In-track): 1.648 | C (Cross-track): -0.771
    Collision Risk Index (CRI) 0.39
    X Position (km) 1752.365 1754.303
    Position Y (km) 4221.082 4221.005
    Position Z (km) 5163.973 5164.722
    Velocity X (km/s) -5.426 -7.282
    Velocity Y (km/s) 4.879 0.385
    Velocity Z (km/s) -2.141 2.154

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3661 STARLINK-4007
    Semimajor Axis (a) 6903.595 km 6904.617 km
    Eccentricity (e) 0.000161 0.000137
    Inclination (i) 53.1607° 53.2170°
    RAAN 317.9998° 21.4279°
    Perigee Argument 74.0538° 59.3043°
    Mean Anomaly (M) 286.0633° 300.8085°
    Apogee 526.571 km 527.424 km
    Perigee 524.345 km 525.536 km
    Orbit Epoch 2026-09-10T10:47:54+0000 2026-09-10T15:43:15+0000

    STARLINK-3661 & STARLINK-4007 Collision Probability (Pc) Trend

    STARLINK-3661 & STARLINK-4007 Collision Probability (Pc) TrendNot Available

    STARLINK-3661 & STARLINK-4007 Miss Distance (Miss Distance) Trend

    STARLINK-3661 & STARLINK-4007 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3661Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4007Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3661Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4007Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3661

    No nearby objects data