Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.375886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:56:20+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 4754
    NORAD ID 4754
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 41922
    NORAD ID 41922
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter THORAD AGENA D DEB IRIDIUM 104
    Time of Closest Approach 2026-09-12T13:33:25+0000
    Collision Probability (Pc) 1.375886E-6
    Conjunction Distance (km) 2.944 km
    Relative Speed (km/s) 14.906 km/s
    Conjunction Risk Parameters R (Radial): -2.685 | I (In-track): -0.065 | C (Cross-track): -1.204
    Collision Risk Index (CRI) 0.38
    X Position (km) 3811.1 3813.457
    Position Y (km) 5185.056 5186.241
    Position Z (km) 3120.188 3121.494
    Velocity X (km/s) 3.019 -2.351
    Velocity Y (km/s) 1.774 -2.317
    Velocity Z (km/s) -6.591 6.697

    Orbital Parameters 国际轨道数据源

    Parameter THORAD AGENA D DEB IRIDIUM 104
    Semimajor Axis (a) 7145.330 km 7155.805 km
    Eccentricity (e) 0.001662 0.000242
    Inclination (i) 99.5900° 86.3935°
    RAAN 226.6224° 52.6521°
    Perigee Argument 32.1364° 95.8615°
    Mean Anomaly (M) 328.0829° 264.2857°
    Apogee 779.070 km 779.400 km
    Perigee 755.316 km 775.936 km
    Orbit Epoch 2026-09-10T10:43:37+0000 2026-09-10T19:34:32+0000

    THORAD AGENA D DEB & IRIDIUM 104 Collision Probability (Pc) Trend

    THORAD AGENA D DEB & IRIDIUM 104 Collision Probability (Pc) TrendNot Available

    THORAD AGENA D DEB & IRIDIUM 104 Miss Distance (Miss Distance) Trend

    THORAD AGENA D DEB & IRIDIUM 104 Miss Distance (Miss Distance) TrendNot Available

    THORAD AGENA D DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 104Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THORAD AGENA D DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 104Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THORAD AGENA D DEB

    No nearby objects data