Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.511782E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T00:10:06+0800
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    1 Object 1

    AOE ID 53403
    NORAD ID 53403
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69341
    NORAD ID 69341
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4507 STARLINK-37781
    Time of Closest Approach 2026-09-06T21:08:04+0000
    Collision Probability (Pc) 1.511782E-6
    Conjunction Distance (km) 2.544 km
    Relative Speed (km/s) 12.107 km/s
    Conjunction Risk Parameters R (Radial): 0.498 | I (In-track): 1.509 | C (Cross-track): -1.986
    Collision Risk Index (CRI) 0.39
    X Position (km) 1307.992 1305.877
    Position Y (km) -3903.848 -3902.644
    Position Z (km) -5480.138 -5480.877
    Velocity X (km/s) 7.112 0.364
    Velocity Y (km/s) 2.722 -6.155
    Velocity Z (km/s) -0.242 4.473

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4507 STARLINK-37781
    Semimajor Axis (a) 6848.862 km 6843.658 km
    Eccentricity (e) 0.000108 0.000545
    Inclination (i) 53.1624° 97.2821°
    RAAN 37.1179° 275.8757°
    Perigee Argument 87.9157° 117.8772°
    Mean Anomaly (M) 272.1967° 242.3024°
    Apogee 471.463 km 469.251 km
    Perigee 469.987 km 461.791 km
    Orbit Epoch 2026-09-03T16:48:09+0000 2026-09-04T00:27:45+0000

    STARLINK-4507 & STARLINK-37781 Collision Probability (Pc) Trend

    STARLINK-4507 & STARLINK-37781 Collision Probability (Pc) TrendNot Available

    STARLINK-4507 & STARLINK-37781 Miss Distance (Miss Distance) Trend

    STARLINK-4507 & STARLINK-37781 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4507Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4507Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4507

    No nearby objects data