Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.965257E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:55:23+0800
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    1 Object 1

    AOE ID 39654
    NORAD ID 39654
    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 2026-09-12T10:04:14+0000
    Collision Probability (Pc) 1.965257E-6
    Conjunction Distance (km) 2.338 km
    Relative Speed (km/s) 14.422 km/s
    Conjunction Risk Parameters R (Radial): -1.587 | I (In-track): -0.434 | C (Cross-track): 1.661
    Collision Risk Index (CRI) 0.41
    X Position (km) 4962.104 4964.436
    Position Y (km) -4767.692 -4767.595
    Position Z (km) -1975.817 -1975.942
    Velocity X (km/s) 0.932 1.814
    Velocity Y (km/s) 3.653 -1.066
    Velocity Z (km/s) -6.441 7.158

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1867 COOLANT IRIDIUM 123
    Semimajor Axis (a) 7157.506 km 7155.807 km
    Eccentricity (e) 0.001943 0.000233
    Inclination (i) 65.0058° 86.3990°
    RAAN 134.4356° 317.9801°
    Perigee Argument 280.6810° 91.0561°
    Mean Anomaly (M) 79.2088° 269.0901°
    Apogee 793.278 km 779.336 km
    Perigee 765.460 km 776.004 km
    Orbit Epoch 2026-09-10T06:55:37+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