Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.040639E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:59:32+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 65814
    NORAD ID 65814
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 397 DEB STARLINK-35157
    Time of Closest Approach 2026-10-28T06:44:18+0000
    Collision Probability (Pc) 6.040639E-6
    Conjunction Distance (km) 1.555 km
    Relative Speed (km/s) 15.066 km/s
    Conjunction Risk Parameters R (Radial): 0.75 | I (In-track): -0.243 | C (Cross-track): 1.34
    Collision Risk Index (CRI) 0.51
    X Position (km) 5147.445 5147.646
    Position Y (km) -2582.903 -2584.444
    Position Z (km) -3708.878 -3708.91
    Velocity X (km/s) 4.899 -4.159
    Velocity Y (km/s) 1.759 0.802
    Velocity Z (km/s) 5.66 -6.34

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB STARLINK-35157
    Semimajor Axis (a) 6962.234 km 6843.716 km
    Eccentricity (e) 0.017736 0.000211
    Inclination (i) 65.6591° 97.2835°
    RAAN 352.9116° 157.6406°
    Perigee Argument 342.5877° 86.1397°
    Mean Anomaly (M) 16.9209° 274.0087°
    Apogee 707.576 km 467.027 km
    Perigee 460.618 km 464.131 km
    Orbit Epoch 2026-10-27T10:00:59+0000 2026-10-27T20:24:57+0000

    COSMOS 397 DEB & STARLINK-35157 Collision Probability (Pc) Trend

    COSMOS 397 DEB & STARLINK-35157 Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & STARLINK-35157 Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & STARLINK-35157 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35157Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35157Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data