Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.803179E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T08:20:04+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 63657
    NORAD ID 63657
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-33789
    Time of Closest Approach 2026-10-23T12:32:56+0000
    Collision Probability (Pc) 2.803179E-6
    Conjunction Distance (km) 1.965 km
    Relative Speed (km/s) 13.326 km/s
    Conjunction Risk Parameters R (Radial): 0.315 | I (In-track): -0.94 | C (Cross-track): 1.696
    Collision Risk Index (CRI) 0.44
    X Position (km) -3449.236 -3450.282
    Position Y (km) 5019.918 5018.377
    Position Z (km) -3163.321 -3163.943
    Velocity X (km/s) 1.704 -6.302
    Velocity Y (km/s) -3.079 -1.92
    Velocity Z (km/s) -6.757 3.831

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-33789
    Semimajor Axis (a) 6856.287 km 6861.128 km
    Eccentricity (e) 0.000249 0.000118
    Inclination (i) 87.7384° 42.9997°
    RAAN 303.6079° 166.8479°
    Perigee Argument 86.9455° 273.3365°
    Mean Anomaly (M) 273.2079° 86.7351°
    Apogee 479.856 km 483.805 km
    Perigee 476.444 km 482.177 km
    Orbit Epoch 2026-10-22T13:39:28+0000 2026-10-22T00:38:32+0000

    SWARM B & STARLINK-33789 Collision Probability (Pc) Trend

    SWARM B & STARLINK-33789 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-33789 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-33789 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33789Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33789Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data