Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.738839E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T11:51:50+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 38745
    NORAD ID 38745
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 57108
    NORAD ID 57108
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter EXPRESS MD2 STARLINK-6099
    Time of Closest Approach 2026-10-23T20:15:10+0000
    Collision Probability (Pc) 1.738839E-6
    Conjunction Distance (km) 1.987 km
    Relative Speed (km/s) 6.486 km/s
    Conjunction Risk Parameters R (Radial): 1.873 | I (In-track): -0.466 | C (Cross-track): -0.473
    Collision Risk Index (CRI) 0.4
    X Position (km) -3928.649 -3929.37
    Position Y (km) 3441.932 3443.425
    Position Z (km) 4437.065 4438.161
    Velocity X (km/s) -6.169 -3.782
    Velocity Y (km/s) -3.661 -6.421
    Velocity Z (km/s) -3.733 1.63

    Orbital Parameters 国际轨道数据源

    Parameter EXPRESS MD2 STARLINK-6099
    Semimajor Axis (a) 7829.093 km 6861.209 km
    Eccentricity (e) 0.152548 0.000086
    Inclination (i) 49.8245° 43.0023°
    RAAN 9.1915° 80.8883°
    Perigee Argument 159.3552° 284.7094°
    Mean Anomaly (M) 207.6432° 75.3662°
    Apogee 2645.266 km 483.665 km
    Perigee 256.646 km 482.479 km
    Orbit Epoch 2026-10-22T11:03:07+0000 2026-10-22T10:59:09+0000

    EXPRESS MD2 & STARLINK-6099 Collision Probability (Pc) Trend

    EXPRESS MD2 & STARLINK-6099 Collision Probability (Pc) TrendNot Available

    EXPRESS MD2 & STARLINK-6099 Miss Distance (Miss Distance) Trend

    EXPRESS MD2 & STARLINK-6099 Miss Distance (Miss Distance) TrendNot Available

    EXPRESS MD2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6099Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPRESS MD2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6099Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPRESS MD2

    No nearby objects data