Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.910121E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:55:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 39639
    NORAD ID 39639
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 42804
    NORAD ID 42804
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1867 COOLANT IRIDIUM 123
    Time of Closest Approach 2026-09-11T03:57:08+0000
    Collision Probability (Pc) 4.910121E-6
    Conjunction Distance (km) 1.645 km
    Relative Speed (km/s) 14.444 km/s
    Conjunction Risk Parameters R (Radial): -0.776 | I (In-track): 0.378 | C (Cross-track): -1.399
    Collision Risk Index (CRI) 0.49
    X Position (km) 5134.932 5134.479
    Position Y (km) -4787.152 -4788.672
    Position Z (km) -1406.181 -1406.615
    Velocity X (km/s) 1.219 1.39
    Velocity Y (km/s) 3.259 -0.643
    Velocity Z (km/s) -6.603 7.303

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1867 COOLANT IRIDIUM 123
    Semimajor Axis (a) 7157.543 km 7155.807 km
    Eccentricity (e) 0.001856 0.000233
    Inclination (i) 65.0051° 86.3990°
    RAAN 134.1030° 317.9801°
    Perigee Argument 277.9156° 91.0561°
    Mean Anomaly (M) 81.9822° 269.0901°
    Apogee 792.693 km 779.336 km
    Perigee 766.119 km 776.004 km
    Orbit Epoch 2026-09-10T06:58:01+0000 2026-09-10T12:56:07+0000

    COSMOS 1867 COOLANT & IRIDIUM 123 Collision Probability (Pc) Trend

    COSMOS 1867 COOLANT & IRIDIUM 123 Collision Probability (Pc) TrendNot Available

    COSMOS 1867 COOLANT & IRIDIUM 123 Miss Distance (Miss Distance) Trend

    COSMOS 1867 COOLANT & IRIDIUM 123 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1867 COOLANTMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 123Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1867 COOLANTCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 123Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1867 COOLANT

    No nearby objects data