Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.382353E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T10:01:09+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 59415
    NORAD ID 59415
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-31398
    Time of Closest Approach 2026-10-20T21:47:40+0000
    Collision Probability (Pc) 1.382353E-5
    Conjunction Distance (km) 1.12 km
    Relative Speed (km/s) 9.943 km/s
    Conjunction Risk Parameters R (Radial): 0.616 | I (In-track): 0.715 | C (Cross-track): -0.603
    Collision Risk Index (CRI) 0.58
    X Position (km) -2979.332 -2978.805
    Position Y (km) 4070.101 4070.488
    Position Z (km) -4656.195 -4655.287
    Velocity X (km/s) 2.715 -5.831
    Velocity Y (km/s) -4.401 -4.873
    Velocity Z (km/s) -5.589 -0.53

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-31398
    Semimajor Axis (a) 6856.350 km 6861.200 km
    Eccentricity (e) 0.000254 0.000098
    Inclination (i) 87.7390° 43.0022°
    RAAN 304.7445° 239.2145°
    Perigee Argument 84.1151° 269.7260°
    Mean Anomaly (M) 276.0388° 90.3480°
    Apogee 479.958 km 483.734 km
    Perigee 476.468 km 482.392 km
    Orbit Epoch 2026-10-18T20:08:14+0000 2026-10-18T05:52:21+0000

    SWARM B & STARLINK-31398 Collision Probability (Pc) Trend

    SWARM B & STARLINK-31398 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-31398 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-31398 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31398Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31398Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data