Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.106465E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:03:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35593
    NORAD ID 35593
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 43924
    NORAD ID 43924
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB IRIDIUM 168
    Time of Closest Approach 2026-09-18T04:56:39+0000
    Collision Probability (Pc) 1.106465E-5
    Conjunction Distance (km) 1.292 km
    Relative Speed (km/s) 14.675 km/s
    Conjunction Risk Parameters R (Radial): -0.629 | I (In-track): 0.211 | C (Cross-track): -1.107
    Collision Risk Index (CRI) 0.56
    X Position (km) 4643.344 4643.027
    Position Y (km) -4383.553 -4384.794
    Position Z (km) 3224.181 3224.348
    Velocity X (km/s) 3.962 -2.087
    Velocity Y (km/s) -0.582 2.693
    Velocity Z (km/s) -6.318 6.644

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB IRIDIUM 168
    Semimajor Axis (a) 7181.089 km 7155.807 km
    Eccentricity (e) 0.010269 0.000224
    Inclination (i) 74.0846° 86.3983°
    RAAN 150.7979° 315.9259°
    Perigee Argument 88.9278° 95.6126°
    Mean Anomaly (M) 272.3633° 264.5326°
    Apogee 876.692 km 779.274 km
    Perigee 729.212 km 776.066 km
    Orbit Epoch 2026-09-14T22:49:50+0000 2026-09-15T13:11:27+0000

    COSMOS 2251 DEB & IRIDIUM 168 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & IRIDIUM 168 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & IRIDIUM 168 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & IRIDIUM 168 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 168Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 168Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data