Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.379317E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-03T21:25:54+0800
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    1 Object 1

    AOE ID 12331
    NORAD ID 12331
    Object Type DEBRIS
    Country
    JP JP
    ← VS →

    2 Object 2

    Name HEAD-3E
    AOE ID 57630
    NORAD ID 57630
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter KYOKKO 1 DEB HEAD-3E
    Time of Closest Approach 2026-10-05T17:51:37+0000
    Collision Probability (Pc) 1.379317E-4
    Conjunction Distance (km) 0.564 km
    Relative Speed (km/s) 12.381 km/s
    Conjunction Risk Parameters R (Radial): -0.419 | I (In-track): 0.231 | C (Cross-track): -0.297
    Collision Risk Index (CRI) 0.78
    X Position (km) -1172.889 -1172.452
    Position Y (km) -6520.701 -6520.355
    Position Z (km) 2413.338 2413.261
    Velocity X (km/s) 4.012 5.271
    Velocity Y (km/s) 1.476 -2.68
    Velocity Z (km/s) 6.94 -4.654

    Orbital Parameters 国际轨道数据源

    Parameter KYOKKO 1 DEB HEAD-3E
    Semimajor Axis (a) 8545.956 km 7058.411 km
    Eccentricity (e) 0.179825 0.000772
    Inclination (i) 64.8124° 45.0018°
    RAAN 254.5262° 113.4729°
    Perigee Argument 6.5110° 107.4800°
    Mean Anomaly (M) 355.6121° 252.6903°
    Apogee 3704.599 km 685.726 km
    Perigee 631.039 km 674.822 km
    Orbit Epoch 2026-10-02T22:03:44+0000 2026-10-03T06:13:01+0000

    KYOKKO 1 DEB & HEAD-3E Collision Probability (Pc) Trend

    KYOKKO 1 DEB & HEAD-3E Collision Probability (Pc) TrendNot Available

    KYOKKO 1 DEB & HEAD-3E Miss Distance (Miss Distance) Trend

    KYOKKO 1 DEB & HEAD-3E Miss Distance (Miss Distance) TrendNot Available

    KYOKKO 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HEAD-3EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KYOKKO 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HEAD-3ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KYOKKO 1 DEB

    No nearby objects data