Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.062351E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:55:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name SWARM B
    AOE ID 39451
    NORAD ID 39451
    Object Type PAYLOAD
    Country
    ESA ESA
    VS

    2 Object 2

    AOE ID 63787
    NORAD ID 63787
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-33947
    Time of Closest Approach 2026-09-05T06:47:33+0000
    Collision Probability (Pc) 6.062351E-6
    Conjunction Distance (km) 1.523 km
    Relative Speed (km/s) 13.706 km/s
    Conjunction Risk Parameters R (Radial): 1.158 | I (In-track): 0.436 | C (Cross-track): 0.888
    Collision Risk Index (CRI) 0.51
    X Position (km) -4830.801 -4832.313
    Position Y (km) 4453.817 4453.981
    Position Z (km) 1961.744 1961.693
    Velocity X (km/s) -1.824 -2.904
    Velocity Y (km/s) 1.256 -5.239
    Velocity Z (km/s) -7.298 4.722

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-33947
    Semimajor Axis (a) 6856.988 km 6861.151 km
    Eccentricity (e) 0.000338 0.000151
    Inclination (i) 87.7457° 43.0003°
    RAAN 318.8626° 138.6261°
    Perigee Argument 97.1784° 268.5838°
    Mean Anomaly (M) 262.9849° 91.4840°
    Apogee 481.168 km 484.053 km
    Perigee 476.534 km 481.975 km
    Orbit Epoch 2026-09-02T10:32:19+0000 2026-09-01T17:56:47+0000

    SWARM B & STARLINK-33947 Collision Probability (Pc) Trend

    SWARM B & STARLINK-33947 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-33947 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-33947 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33947Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33947Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data