Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.251244E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T16:00:56+0800
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    1 Object 1

    Name ASTRO H
    AOE ID 41337
    NORAD ID 41337
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 56320
    NORAD ID 56320
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTRO H STARLINK-5988
    Time of Closest Approach 2026-09-14T20:48:14+0000
    Collision Probability (Pc) 6.251244E-6
    Conjunction Distance (km) 1.383 km
    Relative Speed (km/s) 8.988 km/s
    Conjunction Risk Parameters R (Radial): -0.807 | I (In-track): 0.902 | C (Cross-track): 0.668
    Collision Risk Index (CRI) 0.51
    X Position (km) 2296.241 2297.127
    Position Y (km) 6131.064 6131.887
    Position Z (km) -2233.363 -2232.694
    Velocity X (km/s) -6.8 0.102
    Velocity Y (km/s) 1.444 -2.624
    Velocity Z (km/s) -3.048 -7.121

    Orbital Parameters 国际轨道数据源

    Parameter ASTRO H STARLINK-5988
    Semimajor Axis (a) 6911.709 km 6912.653 km
    Eccentricity (e) 0.000932 0.000161
    Inclination (i) 30.9980° 97.2853°
    RAAN 219.3724° 251.1087°
    Perigee Argument 68.9958° 90.3758°
    Mean Anomaly (M) 291.1676° 269.7657°
    Apogee 540.012 km 535.629 km
    Perigee 527.132 km 533.403 km
    Orbit Epoch 2026-09-14T03:59:09+0000 2026-09-13T23:15:31+0000

    ASTRO H & STARLINK-5988 Collision Probability (Pc) Trend

    ASTRO H & STARLINK-5988 Collision Probability (Pc) TrendNot Available

    ASTRO H & STARLINK-5988 Miss Distance (Miss Distance) Trend

    ASTRO H & STARLINK-5988 Miss Distance (Miss Distance) TrendNot Available

    ASTRO HMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5988Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTRO HCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5988Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTRO H

    No nearby objects data