Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.678217E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:19:05+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 66440
    NORAD ID 66440
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-35405
    Time of Closest Approach 2026-09-06T22:51:59+0000
    Collision Probability (Pc) 1.678217E-4
    Conjunction Distance (km) 0.433 km
    Relative Speed (km/s) 5.978 km/s
    Conjunction Risk Parameters R (Radial): 0.254 | I (In-track): -0.322 | C (Cross-track): 0.139
    Collision Risk Index (CRI) 0.79
    X Position (km) 4900.699 4900.727
    Position Y (km) -4570.856 -4571.089
    Position Z (km) -1475.573 -1475.937
    Velocity X (km/s) 1.4 4.684
    Velocity Y (km/s) -0.887 3.435
    Velocity Z (km/s) 7.439 4.937

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-35405
    Semimajor Axis (a) 6856.959 km 6861.243 km
    Eccentricity (e) 0.000335 0.000084
    Inclination (i) 87.7455° 43.0050°
    RAAN 318.0275° 341.7244°
    Perigee Argument 94.2220° 36.2141°
    Mean Anomaly (M) 265.9411° 323.8768°
    Apogee 481.117 km 483.686 km
    Perigee 476.527 km 482.526 km
    Orbit Epoch 2026-09-05T04:30:37+0000 2026-09-04T23:52:05+0000

    SWARM B & STARLINK-35405 Collision Probability (Pc) Trend

    SWARM B & STARLINK-35405 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-35405 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-35405 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data