Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.953848E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T15:16:52+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 44424
    NORAD ID 44424
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 59613
    NORAD ID 59613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2538 STARLINK-31746
    Time of Closest Approach 2026-10-27T12:05:06+0000
    Collision Probability (Pc) 2.953848E-6
    Conjunction Distance (km) 1.95 km
    Relative Speed (km/s) 14.035 km/s
    Conjunction Risk Parameters R (Radial): 1.508 | I (In-track): 0.496 | C (Cross-track): -1.132
    Collision Risk Index (CRI) 0.44
    X Position (km) 5592.695 5593.752
    Position Y (km) 2563.36 2564.996
    Position Z (km) -3035.305 -3035.383
    Velocity X (km/s) 3.513 -4.366
    Velocity Y (km/s) 0.376 4.837
    Velocity Z (km/s) 6.767 -3.957

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2538 STARLINK-31746
    Semimajor Axis (a) 6878.132 km 6861.202 km
    Eccentricity (e) 0.003951 0.000561
    Inclination (i) 97.5798° 42.9987°
    RAAN 20.2656° 175.8542°
    Perigee Argument 306.2789° 276.1149°
    Mean Anomaly (M) 53.4799° 83.9064°
    Apogee 527.168 km 486.911 km
    Perigee 472.822 km 479.219 km
    Orbit Epoch 2026-10-26T21:59:58+0000 2026-10-26T22:34:13+0000

    COSMOS 2538 & STARLINK-31746 Collision Probability (Pc) Trend

    COSMOS 2538 & STARLINK-31746 Collision Probability (Pc) TrendNot Available

    COSMOS 2538 & STARLINK-31746 Miss Distance (Miss Distance) Trend

    COSMOS 2538 & STARLINK-31746 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2538Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31746Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2538Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31746Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2538

    No nearby objects data