Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.798377E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:48:36+0800
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    1 Object 1

    AOE ID 35484
    NORAD ID 35484
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54783
    NORAD ID 54783
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLINK-5439
    Time of Closest Approach 2026-10-19T18:31:51+0000
    Collision Probability (Pc) 1.798377E-6
    Conjunction Distance (km) 2.346 km
    Relative Speed (km/s) 12.595 km/s
    Conjunction Risk Parameters R (Radial): 0.3 | I (In-track): -1.321 | C (Cross-track): -1.914
    Collision Risk Index (CRI) 0.4
    X Position (km) -4071.437 -4069.579
    Position Y (km) -2117.277 -2118.608
    Position Z (km) 5074.461 5074.991
    Velocity X (km/s) 5.346 0.903
    Velocity Y (km/s) 1.961 -7.228
    Velocity Z (km/s) 5.092 -2.287

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLINK-5439
    Semimajor Axis (a) 6858.859 km 6848.869 km
    Eccentricity (e) 0.001652 0.000148
    Inclination (i) 86.3434° 53.1600°
    RAAN 205.0358° 89.6985°
    Perigee Argument 69.7692° 96.0161°
    Mean Anomaly (M) 290.5330° 264.1010°
    Apogee 492.053 km 471.749 km
    Perigee 469.391 km 469.715 km
    Orbit Epoch 2026-10-16T11:46:06+0000 2026-10-18T10:43:28+0000

    IRIDIUM 33 DEB & STARLINK-5439 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLINK-5439 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLINK-5439 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLINK-5439 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data