Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.547897E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T10:37:40+0800
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    1 Object 1

    AOE ID 64340
    NORAD ID 64340
    Object Type PAYLOAD
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 67228
    NORAD ID 67228
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter QPS-SAR-11 YAMATSUMI QPS-SAR-15 SUKUNAMI-1
    Time of Closest Approach 2026-10-21T09:59:26+0000
    Collision Probability (Pc) 7.547897E-7
    Conjunction Distance (km) 2.51 km
    Relative Speed (km/s) 3.389 km/s
    Conjunction Risk Parameters R (Radial): -2.369 | I (In-track): 0.808 | C (Cross-track): 0.18
    Collision Risk Index (CRI) 0.33
    X Position (km) 4318.796 4317.801
    Position Y (km) -3051.821 -3050.105
    Position Z (km) 4486.852 4485.315
    Velocity X (km/s) 5.156 3.369
    Velocity Y (km/s) 5.405 6.676
    Velocity Z (km/s) -1.294 1.289

    Orbital Parameters 国际轨道数据源

    Parameter QPS-SAR-11 YAMATSUMI QPS-SAR-15 SUKUNAMI-1
    Semimajor Axis (a) 6937.246 km 6945.531 km
    Eccentricity (e) 0.001126 0.000967
    Inclination (i) 42.0071° 42.0060°
    RAAN 221.9828° 260.5473°
    Perigee Argument 222.1571° 91.7206°
    Mean Anomaly (M) 137.8390° 268.4728°
    Apogee 566.922 km 574.114 km
    Perigee 551.296 km 560.674 km
    Orbit Epoch 2026-10-20T04:48:34+0000 2026-10-20T06:29:14+0000

    QPS-SAR-11 YAMATSUMI & QPS-SAR-15 SUKUNAMI-1 Collision Probability (Pc) Trend

    QPS-SAR-11 YAMATSUMI & QPS-SAR-15 SUKUNAMI-1 Collision Probability (Pc) TrendNot Available

    QPS-SAR-11 YAMATSUMI & QPS-SAR-15 SUKUNAMI-1 Miss Distance (Miss Distance) Trend

    QPS-SAR-11 YAMATSUMI & QPS-SAR-15 SUKUNAMI-1 Miss Distance (Miss Distance) TrendNot Available

    QPS-SAR-11 YAMATSUMIMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QPS-SAR-15 SUKUNAMI-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    QPS-SAR-11 YAMATSUMICollision Probability Trend

    Object 1 Probability TrendNot Available

    QPS-SAR-15 SUKUNAMI-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with QPS-SAR-11 YAMATSUMI

    No nearby objects data