Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.304875E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:48:10+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

    AOE ID 69903
    NORAD ID 69903
    Object Type PAYLOAD
    Country
    BG BG

    Conjunction Constraints

    Parameter HORYU 2 BALKAN-3
    Time of Closest Approach 2026-10-21T00:26:17+0000
    Collision Probability (Pc) 1.304875E-6
    Conjunction Distance (km) 2.882 km
    Relative Speed (km/s) 12.962 km/s
    Conjunction Risk Parameters R (Radial): 0.132 | I (In-track): 1.475 | C (Cross-track): 2.472
    Collision Risk Index (CRI) 0.37
    X Position (km) -1421.753 -1419.782
    Position Y (km) -1253.388 -1255.488
    Position Z (km) -6719.891 -6719.779
    Velocity X (km/s) 1.99 -7.204
    Velocity Y (km/s) 7.064 -1.366
    Velocity Z (km/s) -1.744 1.776

    Orbital Parameters 国际轨道数据源

    Parameter HORYU 2 BALKAN-3
    Semimajor Axis (a) 6970.776 km 6972.069 km
    Eccentricity (e) 0.000876 0.000403
    Inclination (i) 98.2356° 97.7472°
    RAAN 71.6162° 191.5849°
    Perigee Argument 127.7336° 131.7632°
    Mean Anomaly (M) 232.4677° 228.3932°
    Apogee 598.747 km 596.742 km
    Perigee 586.531 km 591.122 km
    Orbit Epoch 2026-10-20T08:48:13+0000 2026-10-19T23:00:52+0000

    HORYU 2 & BALKAN-3 Collision Probability (Pc) Trend

    HORYU 2 & BALKAN-3 Collision Probability (Pc) TrendNot Available

    HORYU 2 & BALKAN-3 Miss Distance (Miss Distance) Trend

    HORYU 2 & BALKAN-3 Miss Distance (Miss Distance) TrendNot Available

    HORYU 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BALKAN-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HORYU 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    BALKAN-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HORYU 2

    No nearby objects data