Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.61834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:29:46+0800
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    1 Object 1

    AOE ID 39638
    NORAD ID 39638
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 43925
    NORAD ID 43925
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1867 COOLANT IRIDIUM 173
    Time of Closest Approach 2026-09-11T05:02:20+0000
    Collision Probability (Pc) 1.61834E-6
    Conjunction Distance (km) 2.6 km
    Relative Speed (km/s) 14.455 km/s
    Conjunction Risk Parameters R (Radial): 2.125 | I (In-track): -0.365 | C (Cross-track): 1.453
    Collision Risk Index (CRI) 0.39
    X Position (km) 5216.738 5216.214
    Position Y (km) -4833.64 -4831.148
    Position Z (km) -846.689 -846.166
    Velocity X (km/s) 1.566 0.96
    Velocity Y (km/s) 2.875 -0.246
    Velocity Z (km/s) -6.705 7.396

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1867 COOLANT IRIDIUM 173
    Semimajor Axis (a) 7157.764 km 7155.805 km
    Eccentricity (e) 0.001808 0.000229
    Inclination (i) 65.0079° 86.3987°
    RAAN 136.2576° 317.8860°
    Perigee Argument 284.4177° 94.2687°
    Mean Anomaly (M) 75.4901° 265.8771°
    Apogee 792.572 km 779.304 km
    Perigee 766.682 km 776.032 km
    Orbit Epoch 2026-09-10T09:45:01+0000 2026-09-10T14:00:03+0000

    COSMOS 1867 COOLANT & IRIDIUM 173 Collision Probability (Pc) Trend

    COSMOS 1867 COOLANT & IRIDIUM 173 Collision Probability (Pc) TrendNot Available

    COSMOS 1867 COOLANT & IRIDIUM 173 Miss Distance (Miss Distance) Trend

    COSMOS 1867 COOLANT & IRIDIUM 173 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1867 COOLANTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1867 COOLANTCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1867 COOLANT

    No nearby objects data