Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.541688E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-11T21:24:45+0800
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    1 Object 1

    AOE ID 3158
    NORAD ID 3158
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 41151
    NORAD ID 41151
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 209 NOAA 16 DEB
    Time of Closest Approach 2026-10-11T22:09:27+0000
    Collision Probability (Pc) 9.541688E-7
    Conjunction Distance (km) 2.673 km
    Relative Speed (km/s) 6.226 km/s
    Conjunction Risk Parameters R (Radial): -0.363 | I (In-track): 2.406 | C (Cross-track): 1.107
    Collision Risk Index (CRI) 0.35
    X Position (km) -666.093 -665.829
    Position Y (km) 4990.446 4992.618
    Position Z (km) -5224.463 -5222.927
    Velocity X (km/s) -3.862 2.302
    Velocity Y (km/s) -4.814 -4.943
    Velocity Z (km/s) -4.123 -4.987

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 209 NOAA 16 DEB
    Semimajor Axis (a) 7279.074 km 7215.040 km
    Eccentricity (e) 0.004280 0.005805
    Inclination (i) 65.3306° 98.7977°
    RAAN 251.1118° 285.6763°
    Perigee Argument 212.6593° 14.9456°
    Mean Anomaly (M) 147.1830° 345.3417°
    Apogee 932.095 km 878.787 km
    Perigee 869.779 km 795.019 km
    Orbit Epoch 2026-10-11T03:52:49+0000 2026-10-10T17:58:03+0000

    COSMOS 209 & NOAA 16 DEB Collision Probability (Pc) Trend

    COSMOS 209 & NOAA 16 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 209 & NOAA 16 DEB Miss Distance (Miss Distance) Trend

    COSMOS 209 & NOAA 16 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 209Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 209

    No nearby objects data