Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.82009E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:30:31+0800
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    1 Object 1

    AOE ID 52102
    NORAD ID 52102
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52134
    NORAD ID 52134
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3709 STARLINK-3721
    Time of Closest Approach 2026-09-03T13:07:47+0000
    Collision Probability (Pc) 2.82009E-7
    Conjunction Distance (km) 2.742 km
    Relative Speed (km/s) 0.253 km/s
    Conjunction Risk Parameters R (Radial): 2.515 | I (In-track): -1.093 | C (Cross-track): -0.032
    Collision Risk Index (CRI) 0.24
    X Position (km) 861.705 860.317
    Position Y (km) 4009.156 4007.9
    Position Z (km) 5468.835 5466.832
    Velocity X (km/s) -7.487 -7.446
    Velocity Y (km/s) 1.507 1.704
    Velocity Z (km/s) 0.075 -0.077

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3709 STARLINK-3721
    Semimajor Axis (a) 6843.389 km 6840.880 km
    Eccentricity (e) 0.000110 0.000112
    Inclination (i) 53.1613° 53.1619°
    RAAN 357.9375° 351.9259°
    Perigee Argument 79.1875° 77.8725°
    Mean Anomaly (M) 280.9251° 282.2403°
    Apogee 466.005 km 463.511 km
    Perigee 464.499 km 461.975 km
    Orbit Epoch 2026-09-01T15:22:58+0000 2026-09-02T10:09:40+0000

    STARLINK-3709 & STARLINK-3721 Collision Probability (Pc) Trend

    STARLINK-3709 & STARLINK-3721 Collision Probability (Pc) TrendNot Available

    STARLINK-3709 & STARLINK-3721 Miss Distance (Miss Distance) Trend

    STARLINK-3709 & STARLINK-3721 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3709Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3709Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3709

    No nearby objects data