Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.977636E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:10:12+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 65360
    NORAD ID 65360
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 397 DEB STARLINK-34826
    Time of Closest Approach 2026-10-28T21:19:02+0000
    Collision Probability (Pc) 1.977636E-6
    Conjunction Distance (km) 2.27 km
    Relative Speed (km/s) 13.168 km/s
    Conjunction Risk Parameters R (Radial): -1.7 | I (In-track): 0.766 | C (Cross-track): -1.292
    Collision Risk Index (CRI) 0.41
    X Position (km) 6570.073 6568.838
    Position Y (km) -1725.453 -1723.584
    Position Z (km) -831.686 -831.32
    Velocity X (km/s) 1.652 0.461
    Velocity Y (km/s) 2.871 4.645
    Velocity Z (km/s) 6.951 -6.042

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB STARLINK-34826
    Semimajor Axis (a) 6962.255 km 6840.810 km
    Eccentricity (e) 0.017749 0.000134
    Inclination (i) 65.6542° 53.1592°
    RAAN 353.7171° 173.2895°
    Perigee Argument 342.7877° 105.2553°
    Mean Anomaly (M) 16.7271° 254.8598°
    Apogee 707.689 km 463.590 km
    Perigee 460.547 km 461.756 km
    Orbit Epoch 2026-10-27T03:35:31+0000 2026-10-26T01:16:57+0000

    COSMOS 397 DEB & STARLINK-34826 Collision Probability (Pc) Trend

    COSMOS 397 DEB & STARLINK-34826 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & STARLINK-34826 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & STARLINK-34826 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34826Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34826Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data