Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.143288E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:50:57+0800
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    1 Object 1

    AOE ID 48318
    NORAD ID 48318
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64421
    NORAD ID 64421
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2509 STARLINK-34498
    Time of Closest Approach 2026-09-04T07:59:08+0000
    Collision Probability (Pc) 6.143288E-7
    Conjunction Distance (km) 2.556 km
    Relative Speed (km/s) 2.374 km/s
    Conjunction Risk Parameters R (Radial): -0.482 | I (In-track): -2.48 | C (Cross-track): -0.386
    Collision Risk Index (CRI) 0.31
    X Position (km) -6028.522 -6030.023
    Position Y (km) 2541.682 2540.96
    Position Z (km) 2018.633 2016.694
    Velocity X (km/s) -3.483 -2.999
    Velocity Y (km/s) -3.728 -1.699
    Velocity Z (km/s) -5.678 -6.809

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2509 STARLINK-34498
    Semimajor Axis (a) 6848.872 km 6875.993 km
    Eccentricity (e) 0.000100 0.000488
    Inclination (i) 53.1589° 70.0012°
    RAAN 3.4110° 348.2020°
    Perigee Argument 98.5100° 266.9828°
    Mean Anomaly (M) 261.6015° 358.8222°
    Apogee 471.418 km 501.213 km
    Perigee 470.052 km 494.499 km
    Orbit Epoch 2026-09-01T13:31:34+0000 2026-09-02T14:00:02+0000

    STARLINK-2509 & STARLINK-34498 Collision Probability (Pc) Trend

    STARLINK-2509 & STARLINK-34498 Collision Probability (Pc) TrendNot Available

    STARLINK-2509 & STARLINK-34498 Miss Distance (Miss Distance) Trend

    STARLINK-2509 & STARLINK-34498 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34498Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34498Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2509

    No nearby objects data