Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.321567E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:55:41+0800
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    1 Object 1

    Name SWARM B
    AOE ID 39451
    NORAD ID 39451
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 63779
    NORAD ID 63779
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-33881
    Time of Closest Approach 2026-09-04T00:58:19+0000
    Collision Probability (Pc) 3.321567E-5
    Conjunction Distance (km) 0.929 km
    Relative Speed (km/s) 13.798 km/s
    Conjunction Risk Parameters R (Radial): 0.554 | I (In-track): 0.329 | C (Cross-track): 0.67
    Collision Risk Index (CRI) 0.65
    X Position (km) -4994.293 -4995.196
    Position Y (km) 4507.928 4507.825
    Position Z (km) 1330.097 1329.909
    Velocity X (km/s) -1.311 -3.073
    Velocity Y (km/s) 0.771 -4.884
    Velocity Z (km/s) -7.473 4.988

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-33881
    Semimajor Axis (a) 6856.988 km 6861.164 km
    Eccentricity (e) 0.000338 0.000258
    Inclination (i) 87.7457° 43.0001°
    RAAN 318.8626° 138.6378°
    Perigee Argument 97.1784° 286.7666°
    Mean Anomaly (M) 262.9849° 73.2902°
    Apogee 481.168 km 484.799 km
    Perigee 476.534 km 481.255 km
    Orbit Epoch 2026-09-02T10:32:19+0000 2026-09-01T17:58:39+0000

    SWARM B & STARLINK-33881 Collision Probability (Pc) Trend

    SWARM B & STARLINK-33881 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-33881 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-33881 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33881Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33881Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data