Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.918913E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:53:57+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 55458
    NORAD ID 55458
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-5020
    Time of Closest Approach 2026-10-22T18:22:50+0000
    Collision Probability (Pc) 1.918913E-6
    Conjunction Distance (km) 2.338 km
    Relative Speed (km/s) 13.862 km/s
    Conjunction Risk Parameters R (Radial): -2.163 | I (In-track): 0.374 | C (Cross-track): 0.803
    Collision Risk Index (CRI) 0.41
    X Position (km) 3796.702 3797.225
    Position Y (km) -5703.283 -5705.549
    Position Z (km) 314.562 314.329
    Velocity X (km/s) 0.051 4.781
    Velocity Y (km/s) 0.466 2.89
    Velocity Z (km/s) 7.611 -5.191

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-5020
    Semimajor Axis (a) 6856.322 km 6861.191 km
    Eccentricity (e) 0.000251 0.000131
    Inclination (i) 87.7389° 43.0023°
    RAAN 304.2260° 142.1621°
    Perigee Argument 85.6881° 262.9073°
    Mean Anomaly (M) 274.4655° 97.1629°
    Apogee 479.903 km 483.954 km
    Perigee 476.467 km 482.154 km
    Orbit Epoch 2026-10-20T12:58:17+0000 2026-10-19T23:42:16+0000

    SWARM B & STARLINK-5020 Collision Probability (Pc) Trend

    SWARM B & STARLINK-5020 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-5020 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-5020 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5020Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5020Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data