Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.622112E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:26:38+0800
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    1 Object 1

    AOE ID 52484
    NORAD ID 52484
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59222
    NORAD ID 59222
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3887 STARLINK-31490
    Time of Closest Approach 2026-09-03T04:31:07+0000
    Collision Probability (Pc) 9.622112E-7
    Conjunction Distance (km) 2.872 km
    Relative Speed (km/s) 7.512 km/s
    Conjunction Risk Parameters R (Radial): -2.871 | I (In-track): -0.026 | C (Cross-track): -0.022
    Collision Risk Index (CRI) 0.35
    X Position (km) 1024.258 1024.722
    Position Y (km) -4602.953 -4604.882
    Position Z (km) -4959.209 -4961.285
    Velocity X (km/s) 7.07 5.887
    Velocity Y (km/s) -1.214 4.097
    Velocity Z (km/s) 2.589 -2.589

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3887 STARLINK-31490
    Semimajor Axis (a) 6837.879 km 6840.872 km
    Eccentricity (e) 0.000118 0.000096
    Inclination (i) 53.1623° 53.1625°
    RAAN 342.4509° 53.7637°
    Perigee Argument 86.6315° 83.8895°
    Mean Anomaly (M) 273.4823° 276.2217°
    Apogee 460.549 km 463.394 km
    Perigee 458.935 km 462.076 km
    Orbit Epoch 2026-09-01T12:10:58+0000 2026-09-02T11:49:24+0000

    STARLINK-3887 & STARLINK-31490 Collision Probability (Pc) Trend

    STARLINK-3887 & STARLINK-31490 Collision Probability (Pc) TrendNot Available

    STARLINK-3887 & STARLINK-31490 Miss Distance (Miss Distance) Trend

    STARLINK-3887 & STARLINK-31490 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3887Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31490Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3887Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31490Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3887

    No nearby objects data