Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.972025E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T05:33:36+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 55386
    NORAD ID 55386
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-5555
    Time of Closest Approach 2026-10-15T23:55:08+0000
    Collision Probability (Pc) 3.972025E-5
    Conjunction Distance (km) 0.877 km
    Relative Speed (km/s) 13.502 km/s
    Conjunction Risk Parameters R (Radial): -0.008 | I (In-track): 0.405 | C (Cross-track): 0.778
    Collision Risk Index (CRI) 0.67
    X Position (km) -3755.158 -3755.703
    Position Y (km) 5058.178 5057.58
    Position Z (km) -2723.379 -2723.716
    Velocity X (km/s) 1.534 -5.964
    Velocity Y (km/s) -2.615 -2.154
    Velocity Z (km/s) -6.99 4.229

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-5555
    Semimajor Axis (a) 6856.428 km 6861.163 km
    Eccentricity (e) 0.000265 0.000106
    Inclination (i) 87.7388° 43.0032°
    RAAN 306.1209° 165.2841°
    Perigee Argument 82.0202° 239.9579°
    Mean Anomaly (M) 278.1349° 120.1168°
    Apogee 480.111 km 483.754 km
    Perigee 476.471 km 482.298 km
    Orbit Epoch 2026-10-14T07:46:07+0000 2026-10-14T00:59:47+0000

    SWARM B & STARLINK-5555 Collision Probability (Pc) Trend

    SWARM B & STARLINK-5555 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-5555 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-5555 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5555Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5555Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data