Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.606555E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T14:53:09+0800
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    1 Object 1

    AOE ID 33866
    NORAD ID 33866
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61553
    NORAD ID 61553
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB QIANFAN-20
    Time of Closest Approach 2026-10-24T10:46:25+0000
    Collision Probability (Pc) 4.606555E-6
    Conjunction Distance (km) 1.547 km
    Relative Speed (km/s) 9.829 km/s
    Conjunction Risk Parameters R (Radial): 0.145 | I (In-track): 1.162 | C (Cross-track): 1.011
    Collision Risk Index (CRI) 0.48
    X Position (km) 250.296 248.762
    Position Y (km) 399.79 399.791
    Position Z (km) 7212.715 7212.913
    Velocity X (km/s) -5.612 -5.476
    Velocity Y (km/s) 4.814 -4.995
    Velocity Z (km/s) -0.132 0.467

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB QIANFAN-20
    Semimajor Axis (a) 7180.306 km 7240.594 km
    Eccentricity (e) 0.011191 0.000711
    Inclination (i) 86.3032° 88.9902°
    RAAN 319.5666° 42.4920°
    Perigee Argument 226.4761° 69.1460°
    Mean Anomaly (M) 309.2138° 291.0485°
    Apogee 882.526 km 867.608 km
    Perigee 721.812 km 857.306 km
    Orbit Epoch 2026-10-23T20:01:12+0000 2026-10-23T22:26:08+0000

    IRIDIUM 33 DEB & QIANFAN-20 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & QIANFAN-20 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & QIANFAN-20 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & QIANFAN-20 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data