Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.237993E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T17:55:07+0800
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    1 Object 1

    AOE ID 369
    NORAD ID 369
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53557
    NORAD ID 53557
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FTV 3502 STARLINK-4502
    Time of Closest Approach 2026-09-13T18:16:37+0000
    Collision Probability (Pc) 2.237993E-6
    Conjunction Distance (km) 1.896 km
    Relative Speed (km/s) 8.058 km/s
    Conjunction Risk Parameters R (Radial): -1.894 | I (In-track): 0.063 | C (Cross-track): 0.038
    Collision Risk Index (CRI) 0.42
    X Position (km) -4904.099 -4902.723
    Position Y (km) 1769.758 1769.235
    Position Z (km) -4557.569 -4556.373
    Velocity X (km/s) 5.106 0.787
    Velocity Y (km/s) -0.263 -6.706
    Velocity Z (km/s) -5.636 -3.454

    Orbital Parameters 国际轨道数据源

    Parameter FTV 3502 STARLINK-4502
    Semimajor Axis (a) 6968.320 km 6917.910 km
    Eccentricity (e) 0.007802 0.000108
    Inclination (i) 98.4557° 53.1611°
    RAAN 345.9296° 307.7449°
    Perigee Argument 203.5326° 83.4718°
    Mean Anomaly (M) 156.2314° 276.6396°
    Apogee 644.552 km 540.523 km
    Perigee 535.814 km 539.023 km
    Orbit Epoch 2026-09-12T04:16:46+0000 2026-09-11T20:43:31+0000

    FTV 3502 & STARLINK-4502 Collision Probability (Pc) Trend

    FTV 3502 & STARLINK-4502 Collision Probability (Pc) TrendNot Available

    FTV 3502 & STARLINK-4502 Miss Distance (Miss Distance) Trend

    FTV 3502 & STARLINK-4502 Miss Distance (Miss Distance) TrendNot Available

    FTV 3502Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FTV 3502Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FTV 3502

    No nearby objects data