Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.932689E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:06:21+0800
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    1 Object 1

    AOE ID 7337
    NORAD ID 7337
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53189
    NORAD ID 53189
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 660 STARLINK-4391
    Time of Closest Approach 2026-10-18T01:26:08+0000
    Collision Probability (Pc) 1.932689E-6
    Conjunction Distance (km) 2.402 km
    Relative Speed (km/s) 15.331 km/s
    Conjunction Risk Parameters R (Radial): -2.382 | I (In-track): 0.056 | C (Cross-track): -0.296
    Collision Risk Index (CRI) 0.41
    X Position (km) -159.332 -159.511
    Position Y (km) 931.683 931.734
    Position Z (km) -6783.903 -6786.298
    Velocity X (km/s) -7.364 7.404
    Velocity Y (km/s) 2.219 -1.736
    Velocity Z (km/s) 0.724 -0.412

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 660 STARLINK-4391
    Semimajor Axis (a) 7041.967 km 6843.683 km
    Eccentricity (e) 0.042422 0.000111
    Inclination (i) 82.9369° 97.2850°
    RAAN 163.0203° 345.5238°
    Perigee Argument 325.1870° 92.4728°
    Mean Anomaly (M) 32.2234° 267.6643°
    Apogee 962.562 km 466.310 km
    Perigee 365.098 km 464.782 km
    Orbit Epoch 2026-10-17T12:43:22+0000 2026-10-17T03:54:57+0000

    COSMOS 660 & STARLINK-4391 Collision Probability (Pc) Trend

    COSMOS 660 & STARLINK-4391 Collision Probability (Pc) TrendNot Available

    COSMOS 660 & STARLINK-4391 Miss Distance (Miss Distance) Trend

    COSMOS 660 & STARLINK-4391 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 660Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 660Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 660

    No nearby objects data