Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.039306E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T06:10:34+0800
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    1 Object 1

    AOE ID 6843
    NORAD ID 6843
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55434
    NORAD ID 55434
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 397 DEB STARLINK-5621
    Time of Closest Approach 2026-10-22T00:30:43+0000
    Collision Probability (Pc) 5.039306E-6
    Conjunction Distance (km) 1.524 km
    Relative Speed (km/s) 10.454 km/s
    Conjunction Risk Parameters R (Radial): -1.484 | I (In-track): -0.267 | C (Cross-track): -0.21
    Collision Risk Index (CRI) 0.49
    X Position (km) -1261.875 -1262.439
    Position Y (km) 3401.893 3402.452
    Position Z (km) -5931.31 -5932.609
    Velocity X (km/s) -7.085 -2.956
    Velocity Y (km/s) 1.735 -6.293
    Velocity Z (km/s) 2.291 -2.98

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB STARLINK-5621
    Semimajor Axis (a) 7100.481 km 6950.168 km
    Eccentricity (e) 0.032104 0.000326
    Inclination (i) 65.6600° 69.9979°
    RAAN 159.2097° 255.6080°
    Perigee Argument 241.7657° 269.4815°
    Mean Anomaly (M) 115.0691° 90.5971°
    Apogee 950.297 km 574.294 km
    Perigee 494.391 km 569.768 km
    Orbit Epoch 2026-10-21T14:54:14+0000 2026-10-21T07:23:56+0000

    COSMOS 397 DEB & STARLINK-5621 Collision Probability (Pc) Trend

    COSMOS 397 DEB & STARLINK-5621 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & STARLINK-5621 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & STARLINK-5621 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5621Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5621Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data