Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.640114E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T03:54:08+0800
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    1 Object 1

    AOE ID 25344
    NORAD ID 25344
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35319
    NORAD ID 35319
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 73 CZ-4 DEB
    Time of Closest Approach 2026-10-24T22:58:17+0000
    Collision Probability (Pc) 1.640114E-5
    Conjunction Distance (km) 1.16 km
    Relative Speed (km/s) 15.039 km/s
    Conjunction Risk Parameters R (Radial): -0.524 | I (In-track): -0.04 | C (Cross-track): 1.034
    Collision Risk Index (CRI) 0.59
    X Position (km) 6750.85 6750.062
    Position Y (km) 2060.755 2061.59
    Position Z (km) -770.06 -769.899
    Velocity X (km/s) -0.903 1.149
    Velocity Y (km/s) 0.212 -0.845
    Velocity Z (km/s) -7.436 7.424

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 73 CZ-4 DEB
    Semimajor Axis (a) 7096.285 km 7223.744 km
    Eccentricity (e) 0.000265 0.018827
    Inclination (i) 86.4472° 98.6543°
    RAAN 196.9236° 15.2841°
    Perigee Argument 94.9931° 335.4860°
    Mean Anomaly (M) 265.1578° 52.3235°
    Apogee 720.030 km 981.611 km
    Perigee 716.266 km 709.603 km
    Orbit Epoch 2026-10-24T03:55:40+0000 2026-10-24T04:27:17+0000

    IRIDIUM 73 & CZ-4 DEB Collision Probability (Pc) Trend

    IRIDIUM 73 & CZ-4 DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 73 & CZ-4 DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 73 & CZ-4 DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 73Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 73Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 73

    No nearby objects data