Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.379738E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:19:58+0800
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    1 Object 1

    AOE ID 34486
    NORAD ID 34486
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 63345
    NORAD ID 63345
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB YUNYAO-1 44
    Time of Closest Approach 2026-09-03T04:01:59+0000
    Collision Probability (Pc) 2.379738E-6
    Conjunction Distance (km) 2.171 km
    Relative Speed (km/s) 15.184 km/s
    Conjunction Risk Parameters R (Radial): 2.152 | I (In-track): 0.001 | C (Cross-track): -0.288
    Collision Risk Index (CRI) 0.43
    X Position (km) -2410.205 -2409.191
    Position Y (km) -6268.85 -6267.01
    Position Z (km) 1632.941 1632.394
    Velocity X (km/s) 1.107 -1.604
    Velocity Y (km/s) 1.503 -1.287
    Velocity Z (km/s) 7.362 -7.315

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB YUNYAO-1 44
    Semimajor Axis (a) 6908.240 km 6909.981 km
    Eccentricity (e) 0.000385 0.001525
    Inclination (i) 86.3739° 97.6130°
    RAAN 248.6175° 66.5507°
    Perigee Argument 181.6790° 250.6047°
    Mean Anomaly (M) 236.3258° 109.3535°
    Apogee 532.765 km 542.386 km
    Perigee 527.441 km 521.302 km
    Orbit Epoch 2026-09-02T01:13:34+0000 2026-09-02T14:35:16+0000

    IRIDIUM 33 DEB & YUNYAO-1 44 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & YUNYAO-1 44 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & YUNYAO-1 44 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & YUNYAO-1 44 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 44Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 44Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data