Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.554501E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:18:00+0800
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    1 Object 1

    AOE ID 46971
    NORAD ID 46971
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    Name PEXT
    AOE ID 64874
    NORAD ID 64874
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB PEXT
    Time of Closest Approach 2026-10-22T17:07:58+0000
    Collision Probability (Pc) 4.554501E-6
    Conjunction Distance (km) 1.705 km
    Relative Speed (km/s) 15.215 km/s
    Conjunction Risk Parameters R (Radial): -1.672 | I (In-track): 0.021 | C (Cross-track): -0.33
    Collision Risk Index (CRI) 0.48
    X Position (km) -4738.583 -4739.731
    Position Y (km) -499.802 -500.254
    Position Z (km) 4953.973 4955.15
    Velocity X (km/s) 5.514 -5.517
    Velocity Y (km/s) -0.129 0.837
    Velocity Z (km/s) 5.251 -5.182

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB PEXT
    Semimajor Axis (a) 6879.470 km 6880.752 km
    Eccentricity (e) 0.000204 0.000251
    Inclination (i) 86.3113° 97.3825°
    RAAN 184.5037° 355.5459°
    Perigee Argument 345.6301° 173.0764°
    Mean Anomaly (M) 28.9719° 187.0507°
    Apogee 502.734 km 504.343 km
    Perigee 499.932 km 500.887 km
    Orbit Epoch 2026-10-17T23:21:58+0000 2026-10-19T22:14:16+0000

    IRIDIUM 33 DEB & PEXT Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & PEXT Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & PEXT Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & PEXT Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PEXTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    PEXTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data