Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.132029E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:17:27+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 58737
    NORAD ID 58737
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SWARM B STARLINK-31101
    Time of Closest Approach 2026-10-20T14:21:14+0000
    Collision Probability (Pc) 1.132029E-6
    Conjunction Distance (km) 2.908 km
    Relative Speed (km/s) 10.306 km/s
    Conjunction Risk Parameters R (Radial): 0.421 | I (In-track): -2.11 | C (Cross-track): -1.954
    Collision Risk Index (CRI) 0.36
    X Position (km) 2668.989 2671.292
    Position Y (km) -4254.865 -4254.68
    Position Z (km) -4678.539 -4676.775
    Velocity X (km/s) 3.1 6.534
    Velocity Y (km/s) -4.17 3.912
    Velocity Z (km/s) 5.567 0.173

    Orbital Parameters 国际轨道数据源

    Parameter SWARM B STARLINK-31101
    Semimajor Axis (a) 6856.333 km 6861.207 km
    Eccentricity (e) 0.000252 0.000131
    Inclination (i) 87.7389° 43.0010°
    RAAN 304.4453° 36.8174°
    Perigee Argument 84.9942° 259.1344°
    Mean Anomaly (M) 275.1595° 100.9360°
    Apogee 479.923 km 483.969 km
    Perigee 476.469 km 482.171 km
    Orbit Epoch 2026-10-19T19:41:43+0000 2026-10-19T07:21:10+0000

    SWARM B & STARLINK-31101 Collision Probability (Pc) Trend

    SWARM B & STARLINK-31101 Collision Probability (Pc) TrendNot Available

    SWARM B & STARLINK-31101 Miss Distance (Miss Distance) Trend

    SWARM B & STARLINK-31101 Miss Distance (Miss Distance) TrendNot Available

    SWARM BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31101Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SWARM BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31101Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SWARM B

    No nearby objects data