Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.055647E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:50:23+0800
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    1 Object 1

    AOE ID 25979
    NORAD ID 25979
    Object Type ROCKET BODY
    Country
    FR FR
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter ARIANE 40 R/B STARLINK-3887
    Time of Closest Approach 2026-09-03T04:52:31+0000
    Collision Probability (Pc) 1.055647E-6
    Conjunction Distance (km) 2.478 km
    Relative Speed (km/s) 6.029 km/s
    Conjunction Risk Parameters R (Radial): 1.229 | I (In-track): -1.977 | C (Cross-track): 0.848
    Collision Risk Index (CRI) 0.35
    X Position (km) 6415.591 6417.077
    Position Y (km) -1716.172 -1717.138
    Position Z (km) 1617.843 1616.113
    Velocity X (km/s) -2.026 -0.163
    Velocity Y (km/s) -0.612 4.921
    Velocity Z (km/s) 7.338 5.841

    Orbital Parameters 国际轨道数据源

    Parameter ARIANE 40 R/B STARLINK-3887
    Semimajor Axis (a) 6831.918 km 6837.879 km
    Eccentricity (e) 0.000385 0.000118
    Inclination (i) 98.1608° 53.1623°
    RAAN 346.0131° 342.4509°
    Perigee Argument 172.6823° 86.6315°
    Mean Anomaly (M) 187.4476° 273.4823°
    Apogee 456.415 km 460.549 km
    Perigee 451.147 km 458.935 km
    Orbit Epoch 2026-09-02T06:56:48+0000 2026-09-01T12:10:58+0000

    ARIANE 40 R/B & STARLINK-3887 Collision Probability (Pc) Trend

    ARIANE 40 R/B & STARLINK-3887 Collision Probability (Pc) TrendNot Available

    ARIANE 40 R/B & STARLINK-3887 Miss Distance (Miss Distance) Trend

    ARIANE 40 R/B & STARLINK-3887 Miss Distance (Miss Distance) TrendNot Available

    ARIANE 40 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARIANE 40 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARIANE 40 R/B

    No nearby objects data