Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.00507E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:55:38+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 58191
    NORAD ID 58191
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-30785
    Time of Closest Approach 2026-09-04T02:46:31+0000
    Collision Probability (Pc) 4.00507E-6
    Conjunction Distance (km) 1.67 km
    Relative Speed (km/s) 11.392 km/s
    Conjunction Risk Parameters R (Radial): -1.656 | I (In-track): -0.147 | C (Cross-track): -0.154
    Collision Risk Index (CRI) 0.47
    X Position (km) -3927.039 -3926.059
    Position Y (km) 3249.861 3249.261
    Position Z (km) -4598.771 -4597.559
    Velocity X (km/s) 3.664 -5.457
    Velocity Y (km/s) -3.556 -5.226
    Velocity Z (km/s) -5.648 0.968

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-30785
    Semimajor Axis (a) 6856.988 km 6861.210 km
    Eccentricity (e) 0.000338 0.000137
    Inclination (i) 87.7457° 43.0011°
    RAAN 318.8626° 227.9817°
    Perigee Argument 97.1784° 278.7214°
    Mean Anomaly (M) 262.9849° 81.3483°
    Apogee 481.168 km 484.013 km
    Perigee 476.534 km 482.133 km
    Orbit Epoch 2026-09-02T10:32:19+0000 2026-09-01T23:20:06+0000

    SWARM B & STARLINK-30785 Collision Probability (Pc) Trend

    SWARM B & STARLINK-30785 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-30785 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-30785 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30785Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30785Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data