Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.350814E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:53:30+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 58212
    NORAD ID 58212
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-30837
    Time of Closest Approach 2026-10-28T01:29:58+0000
    Collision Probability (Pc) 3.350814E-6
    Conjunction Distance (km) 1.554 km
    Relative Speed (km/s) 6.212 km/s
    Conjunction Risk Parameters R (Radial): 0.893 | I (In-track): 1.164 | C (Cross-track): -0.512
    Collision Risk Index (CRI) 0.46
    X Position (km) 3366.417 3367.523
    Position Y (km) -5564.952 -5565.697
    Position Z (km) -2187.22 -2186.423
    Velocity X (km/s) 1.524 5.83
    Velocity Y (km/s) -1.906 1.724
    Velocity Z (km/s) 7.22 4.599

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-30837
    Semimajor Axis (a) 6856.225 km 6861.168 km
    Eccentricity (e) 0.000241 0.000116
    Inclination (i) 87.7379° 43.0027°
    RAAN 302.1711° 327.8287°
    Perigee Argument 88.7130° 253.0331°
    Mean Anomaly (M) 271.4396° 107.0394°
    Apogee 479.738 km 483.829 km
    Perigee 476.438 km 482.233 km
    Orbit Epoch 2026-10-27T06:44:05+0000 2026-10-27T02:04:55+0000

    SWARM B & STARLINK-30837 Collision Probability (Pc) Trend

    SWARM B & STARLINK-30837 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-30837 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-30837 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30837Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30837Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data