Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.258289E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:55:37+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 57476
    NORAD ID 57476
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-30161
    Time of Closest Approach 2026-09-04T04:45:40+0000
    Collision Probability (Pc) 3.258289E-6
    Conjunction Distance (km) 1.762 km
    Relative Speed (km/s) 10.573 km/s
    Conjunction Risk Parameters R (Radial): -1.624 | I (In-track): -0.495 | C (Cross-track): 0.467
    Collision Risk Index (CRI) 0.45
    X Position (km) 3627.28 3625.849
    Position Y (km) -3475.354 -3474.666
    Position Z (km) -4679.535 -4678.772
    Velocity X (km/s) 4.023 5.205
    Velocity Y (km/s) -3.287 5.562
    Velocity Z (km/s) 5.566 -0.097

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-30161
    Semimajor Axis (a) 6856.988 km 6861.241 km
    Eccentricity (e) 0.000338 0.000127
    Inclination (i) 87.7457° 43.0032°
    RAAN 318.8626° 60.8868°
    Perigee Argument 97.1784° 267.8260°
    Mean Anomaly (M) 262.9849° 92.2447°
    Apogee 481.168 km 483.977 km
    Perigee 476.534 km 482.231 km
    Orbit Epoch 2026-09-02T10:32:19+0000 2026-09-01T20:39:52+0000

    SWARM B & STARLINK-30161 Collision Probability (Pc) Trend

    SWARM B & STARLINK-30161 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-30161 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-30161 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30161Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30161Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data