Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    6.817813E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T11:15:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 24870
    NORAD ID 24870
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 39642
    NORAD ID 39642
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter IRIDIUM 17 COSMOS 1867 COOLANT
    Time of Closest Approach 2026-09-12T02:33:02+0000
    Collision Probability (Pc) 6.817813E-5
    Conjunction Distance (km) 0.695 km
    Relative Speed (km/s) 10.228 km/s
    Conjunction Risk Parameters R (Radial): 0.064 | I (In-track): 0.509 | C (Cross-track): -0.469
    Collision Risk Index (CRI) 0.72
    X Position (km) 2424.662 2424.672
    Position Y (km) 1823.431 1824.114
    Position Z (km) -6474.71 -6474.584
    Velocity X (km/s) 4.672 -4.947
    Velocity Y (km/s) 4.897 5.585
    Velocity Z (km/s) 3.131 -0.276

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 17 COSMOS 1867 COOLANT
    Semimajor Axis (a) 7142.474 km 7157.899 km
    Eccentricity (e) 0.000213 0.001966
    Inclination (i) 86.3935° 65.0087°
    RAAN 45.2900° 140.7024°
    Perigee Argument 46.7286° 279.1989°
    Mean Anomaly (M) 313.4090° 80.6873°
    Apogee 765.862 km 793.832 km
    Perigee 762.812 km 765.692 km
    Orbit Epoch 2026-09-10T15:47:17+0000 2026-09-09T04:39:42+0000

    IRIDIUM 17 & COSMOS 1867 COOLANT Collision Probability (Pc) Trend

    IRIDIUM 17 & COSMOS 1867 COOLANT Collision Probability (Pc) TrendNot Available

    IRIDIUM 17 & COSMOS 1867 COOLANT Miss Distance (Miss Distance) Trend

    IRIDIUM 17 & COSMOS 1867 COOLANT Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1867 COOLANTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1867 COOLANTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 17

    No nearby objects data