Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.55483E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T04:31:09+0800
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    1 Object 1

    AOE ID 38474
    NORAD ID 38474
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 39084
    NORAD ID 39084
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB LANDSAT 8
    Time of Closest Approach 2026-10-31T21:38:41+0000
    Collision Probability (Pc) 2.55483E-6
    Conjunction Distance (km) 2.074 km
    Relative Speed (km/s) 14.294 km/s
    Conjunction Risk Parameters R (Radial): 1.569 | I (In-track): 0.406 | C (Cross-track): 1.295
    Collision Risk Index (CRI) 0.43
    X Position (km) -388.849 -389.646
    Position Y (km) -1128.063 -1127.167
    Position Z (km) 6969.374 6971.065
    Velocity X (km/s) 4.922 -7.297
    Velocity Y (km/s) 5.558 -1.626
    Velocity Z (km/s) 1.172 -0.669

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB LANDSAT 8
    Semimajor Axis (a) 7097.565 km 7080.683 km
    Eccentricity (e) 0.002743 0.000131
    Inclination (i) 86.3435° 98.2163°
    RAAN 229.4163° 12.8814°
    Perigee Argument 84.9550° 91.1446°
    Mean Anomaly (M) 275.4786° 268.9903°
    Apogee 738.899 km 703.475 km
    Perigee 699.957 km 701.617 km
    Orbit Epoch 2026-10-31T01:25:34+0000 2026-10-31T11:19:17+0000

    IRIDIUM 33 DEB & LANDSAT 8 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & LANDSAT 8 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & LANDSAT 8 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & LANDSAT 8 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LANDSAT 8Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LANDSAT 8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data