Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.188901E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:54:35+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 57885
    NORAD ID 57885
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-30279
    Time of Closest Approach 2026-09-04T18:57:33+0000
    Collision Probability (Pc) 1.188901E-6
    Conjunction Distance (km) 2.424 km
    Relative Speed (km/s) 6.938 km/s
    Conjunction Risk Parameters R (Radial): 0.956 | I (In-track): 1.984 | C (Cross-track): 1.014
    Collision Risk Index (CRI) 0.37
    X Position (km) 4383.523 4381.474
    Position Y (km) -4102.427 -4102.02
    Position Z (km) -3327.534 -3328.763
    Velocity X (km/s) 2.923 5.834
    Velocity Y (km/s) -2.267 3.268
    Velocity Z (km/s) 6.659 3.655

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-30279
    Semimajor Axis (a) 6856.970 km 6861.211 km
    Eccentricity (e) 0.000333 0.000114
    Inclination (i) 87.7456° 43.0050°
    RAAN 318.3256° 0.0062°
    Perigee Argument 94.8195° 267.9594°
    Mean Anomaly (M) 265.3435° 92.1127°
    Apogee 481.120 km 483.858 km
    Perigee 476.546 km 482.290 km
    Orbit Epoch 2026-09-04T04:56:57+0000 2026-09-03T14:54:36+0000

    SWARM B & STARLINK-30279 Collision Probability (Pc) Trend

    SWARM B & STARLINK-30279 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-30279 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-30279 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30279Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30279Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data