Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.407622E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T04:56:34+0800
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    1 Object 1

    Name HORYU 2
    AOE ID 38340
    NORAD ID 38340
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    Name BRO-31
    AOE ID 69896
    NORAD ID 69896
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter HORYU 2 BRO-31
    Time of Closest Approach 2026-10-13T22:35:37+0000
    Collision Probability (Pc) 6.407622E-6
    Conjunction Distance (km) 1.482 km
    Relative Speed (km/s) 13.034 km/s
    Conjunction Risk Parameters R (Radial): -1.079 | I (In-track): -0.525 | C (Cross-track): -0.866
    Collision Risk Index (CRI) 0.51
    X Position (km) 1573.567 1572.747
    Position Y (km) 1073.747 1074.414
    Position Z (km) 6696.118 6695.081
    Velocity X (km/s) -2.889 7.331
    Velocity Y (km/s) -6.768 0.494
    Velocity Z (km/s) 1.754 -1.803

    Orbital Parameters 国际轨道数据源

    Parameter HORYU 2 BRO-31
    Semimajor Axis (a) 6970.942 km 6969.199 km
    Eccentricity (e) 0.000852 0.000715
    Inclination (i) 98.2343° 97.7430°
    RAAN 63.2111° 184.1661°
    Perigee Argument 152.1734° 183.4326°
    Mean Anomaly (M) 207.9941° 176.6846°
    Apogee 598.746 km 596.045 km
    Perigee 586.864 km 586.079 km
    Orbit Epoch 2026-10-12T07:36:50+0000 2026-10-12T07:30:18+0000

    HORYU 2 & BRO-31 Collision Probability (Pc) Trend

    HORYU 2 & BRO-31 Collision Probability (Pc) TrendNot Available

    HORYU 2 & BRO-31 Miss Distance (Miss Distance) Trend

    HORYU 2 & BRO-31 Miss Distance (Miss Distance) TrendNot Available

    HORYU 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BRO-31Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HORYU 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    BRO-31Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HORYU 2

    No nearby objects data