Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.116911E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T08:58:47+0800
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    1 Object 1

    AOE ID 43682
    NORAD ID 43682
    Object Type ROCKET BODY
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 45744
    NORAD ID 45744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter H-2A R/B STARLINK-1500
    Time of Closest Approach 2026-10-20T17:38:45+0000
    Collision Probability (Pc) 8.116911E-7
    Conjunction Distance (km) 2.994 km
    Relative Speed (km/s) 6.025 km/s
    Conjunction Risk Parameters R (Radial): 1.549 | I (In-track): -2.354 | C (Cross-track): 1.012
    Collision Risk Index (CRI) 0.33
    X Position (km) 6252.914 6251.6
    Position Y (km) 2496.032 2496.184
    Position Z (km) 1008.475 1005.789
    Velocity X (km/s) 1.481 -0.884
    Velocity Y (km/s) -0.687 4.658
    Velocity Z (km/s) -7.472 -6.012

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B STARLINK-1500
    Semimajor Axis (a) 6795.046 km 6807.630 km
    Eccentricity (e) 0.001908 0.000150
    Inclination (i) 98.8400° 53.0316°
    RAAN 198.5687° 215.4683°
    Perigee Argument 325.4111° 128.8945°
    Mean Anomaly (M) 34.5893° 231.2195°
    Apogee 429.872 km 430.515 km
    Perigee 403.946 km 428.471 km
    Orbit Epoch 2026-10-19T05:16:21+0000 2026-10-19T05:13:30+0000

    H-2A R/B & STARLINK-1500 Collision Probability (Pc) Trend

    H-2A R/B & STARLINK-1500 Collision Probability (Pc) TrendNot Available

    H-2A R/B & STARLINK-1500 Miss Distance (Miss Distance) Trend

    H-2A R/B & STARLINK-1500 Miss Distance (Miss Distance) TrendNot Available

    H-2A R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1500Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1500Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data