Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.630087E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:57:25+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 55785
    NORAD ID 55785
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FTV 3502 STARLINK-5818
    Time of Closest Approach 2026-09-06T12:48:02+0000
    Collision Probability (Pc) 7.630087E-6
    Conjunction Distance (km) 1.42 km
    Relative Speed (km/s) 13.674 km/s
    Conjunction Risk Parameters R (Radial): 0.695 | I (In-track): -0.532 | C (Cross-track): 1.118
    Collision Risk Index (CRI) 0.53
    X Position (km) 2457.64 2457.041
    Position Y (km) 129.675 128.848
    Position Z (km) -6503.987 -6504.973
    Velocity X (km/s) 6.618 -2.173
    Velocity Y (km/s) -2.803 7.212
    Velocity Z (km/s) 2.388 -0.678

    Orbital Parameters 国际轨道数据源

    Parameter FTV 3502 STARLINK-5818
    Semimajor Axis (a) 6968.370 km 6950.192 km
    Eccentricity (e) 0.007763 0.000304
    Inclination (i) 98.4556° 69.9996°
    RAAN 338.4457° 113.9839°
    Perigee Argument 226.4578° 269.1529°
    Mean Anomaly (M) 133.0174° 90.9281°
    Apogee 644.330 km 574.172 km
    Perigee 536.136 km 569.938 km
    Orbit Epoch 2026-09-05T04:56:18+0000 2026-09-04T09:57:15+0000

    FTV 3502 & STARLINK-5818 Collision Probability (Pc) Trend

    FTV 3502 & STARLINK-5818 Collision Probability (Pc) TrendNot Available

    FTV 3502 & STARLINK-5818 Miss Distance (Miss Distance) Trend

    FTV 3502 & STARLINK-5818 Miss Distance (Miss Distance) TrendNot Available

    FTV 3502Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FTV 3502Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FTV 3502

    No nearby objects data