Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.463091E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T00:22:41+0800
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    1 Object 1

    AOE ID 21723
    NORAD ID 21723
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 48131
    NORAD ID 48131
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 397 DEB STARLINK-2473
    Time of Closest Approach 2026-10-20T07:43:47+0000
    Collision Probability (Pc) 3.463091E-6
    Conjunction Distance (km) 1.813 km
    Relative Speed (km/s) 13.18 km/s
    Conjunction Risk Parameters R (Radial): -0.684 | I (In-track): 0.853 | C (Cross-track): -1.445
    Collision Risk Index (CRI) 0.46
    X Position (km) 6666.474 6665.486
    Position Y (km) 1382.984 1384.483
    Position Z (km) -691.892 -691.646
    Velocity X (km/s) 0.056 -1.531
    Velocity Y (km/s) 3.267 4.38
    Velocity Z (km/s) 6.973 -6.064

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB STARLINK-2473
    Semimajor Axis (a) 6963.059 km 6844.392 km
    Eccentricity (e) 0.017702 0.000287
    Inclination (i) 65.6627° 53.1573°
    RAAN 18.3953° 192.3933°
    Perigee Argument 347.2156° 128.9857°
    Mean Anomaly (M) 12.4503° 231.1401°
    Apogee 708.181 km 468.218 km
    Perigee 461.663 km 464.292 km
    Orbit Epoch 2026-10-18T23:37:47+0000 2026-10-19T05:53:29+0000

    COSMOS 397 DEB & STARLINK-2473 Collision Probability (Pc) Trend

    COSMOS 397 DEB & STARLINK-2473 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & STARLINK-2473 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & STARLINK-2473 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2473Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2473Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data