Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.501173E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T05:47:32+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 58482
    NORAD ID 58482
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 45 STARLINK-30997
    Time of Closest Approach 2026-09-12T17:37:12+0000
    Collision Probability (Pc) 5.501173E-6
    Conjunction Distance (km) 1.496 km
    Relative Speed (km/s) 10.921 km/s
    Conjunction Risk Parameters R (Radial): 1.486 | I (In-track): -0.115 | C (Cross-track): -0.13
    Collision Risk Index (CRI) 0.5
    X Position (km) 5014.393 5015.565
    Position Y (km) 641.617 641.626
    Position Z (km) -4640.348 -4641.276
    Velocity X (km/s) -5.149 -0.359
    Velocity Y (km/s) 0.001 7.581
    Velocity Z (km/s) -5.574 0.661

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 45 STARLINK-30997
    Semimajor Axis (a) 6805.463 km 6861.143 km
    Eccentricity (e) 0.007436 0.000141
    Inclination (i) 86.3542° 43.0002°
    RAAN 185.0329° 106.8505°
    Perigee Argument 55.9601° 275.5869°
    Mean Anomaly (M) 304.8687° 84.4823°
    Apogee 477.934 km 483.972 km
    Perigee 376.718 km 482.040 km
    Orbit Epoch 2026-09-10T13:24:52+0000 2026-09-09T06:48:38+0000

    IRIDIUM 45 & STARLINK-30997 Collision Probability (Pc) Trend

    IRIDIUM 45 & STARLINK-30997 Collision Probability (Pc) TrendNot Available

    IRIDIUM 45 & STARLINK-30997 Miss Distance (Miss Distance) Trend

    IRIDIUM 45 & STARLINK-30997 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 45Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30997Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 45Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30997Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 45

    No nearby objects data