Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.176002E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T22:01:23+0800
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    1 Object 1

    AOE ID 25104
    NORAD ID 25104
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53805
    NORAD ID 53805
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 45 STARLINK-4763
    Time of Closest Approach 2026-09-17T12:34:21+0000
    Collision Probability (Pc) 2.176002E-6
    Conjunction Distance (km) 2.033 km
    Relative Speed (km/s) 10.217 km/s
    Conjunction Risk Parameters R (Radial): -1.94 | I (In-track): 0.452 | C (Cross-track): 0.404
    Collision Risk Index (CRI) 0.42
    X Position (km) 4087.731 4086.201
    Position Y (km) 458.438 458.719
    Position Z (km) -5485.398 -5484.089
    Velocity X (km/s) -6.104 -0.799
    Velocity Y (km/s) 0.125 7.577
    Velocity Z (km/s) -4.512 0.038

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 45 STARLINK-4763
    Semimajor Axis (a) 6804.487 km 6848.853 km
    Eccentricity (e) 0.007296 0.000109
    Inclination (i) 86.3543° 53.1590°
    RAAN 182.6845° 112.7439°
    Perigee Argument 38.5507° 91.2367°
    Mean Anomaly (M) 322.0928° 268.8759°
    Apogee 475.995 km 471.463 km
    Perigee 376.705 km 469.969 km
    Orbit Epoch 2026-09-15T05:13:29+0000 2026-09-13T21:16:02+0000

    IRIDIUM 45 & STARLINK-4763 Collision Probability (Pc) Trend

    IRIDIUM 45 & STARLINK-4763 Collision Probability (Pc) TrendNot Available

    IRIDIUM 45 & STARLINK-4763 Miss Distance (Miss Distance) Trend

    IRIDIUM 45 & STARLINK-4763 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 45Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4763Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 45Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4763Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 45

    No nearby objects data