Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.149352E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:19:18+0800
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    1 Object 1

    AOE ID 41921
    NORAD ID 41921
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 48624
    NORAD ID 48624
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 105 CZ-4B R/B
    Time of Closest Approach 2026-09-16T19:39:44+0000
    Collision Probability (Pc) 4.149352E-5
    Conjunction Distance (km) 0.848 km
    Relative Speed (km/s) 12.31 km/s
    Conjunction Risk Parameters R (Radial): 0.82 | I (In-track): -0.121 | C (Cross-track): -0.181
    Collision Risk Index (CRI) 0.67
    X Position (km) 3254.396 3254.071
    Position Y (km) 670.7 670.831
    Position Z (km) -6347.461 -6346.688
    Velocity X (km/s) 6.201 -4.509
    Velocity Y (km/s) 2.308 5.747
    Velocity Z (km/s) 3.425 -1.576

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 105 CZ-4B R/B
    Semimajor Axis (a) 7155.805 km 7198.036 km
    Eccentricity (e) 0.000230 0.016315
    Inclination (i) 86.4009° 66.0653°
    RAAN 19.1863° 136.7212°
    Perigee Argument 98.4795° 327.1234°
    Mean Anomaly (M) 261.6662° 31.9785°
    Apogee 779.315 km 937.338 km
    Perigee 776.021 km 702.460 km
    Orbit Epoch 2026-09-15T07:06:57+0000 2026-09-15T15:26:08+0000

    IRIDIUM 105 & CZ-4B R/B Collision Probability (Pc) Trend

    IRIDIUM 105 & CZ-4B R/B Collision Probability (Pc) TrendNot Available

    IRIDIUM 105 & CZ-4B R/B Miss Distance (Miss Distance) Trend

    IRIDIUM 105 & CZ-4B R/B Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 105Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 105Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 105

    No nearby objects data