Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.276576E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:08:44+0800
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    1 Object 1

    AOE ID 31878
    NORAD ID 31878
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QPS-SAR-15 SUKUNAMI-1
    Time of Closest Approach 2026-10-22T17:48:22+0000
    Collision Probability (Pc) 2.276576E-6
    Conjunction Distance (km) 1.899 km
    Relative Speed (km/s) 8.336 km/s
    Conjunction Risk Parameters R (Radial): 0.089 | I (In-track): 1.592 | C (Cross-track): 1.033
    Collision Risk Index (CRI) 0.42
    X Position (km) 1118.608 1118.003
    Position Y (km) -6114.867 -6115.685
    Position Z (km) 3082.319 3080.716
    Velocity X (km/s) -1.962 5.847
    Velocity Y (km/s) 2.98 2.993
    Velocity Z (km/s) 6.707 3.792

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QPS-SAR-15 SUKUNAMI-1
    Semimajor Axis (a) 6968.783 km 6945.531 km
    Eccentricity (e) 0.007465 0.000967
    Inclination (i) 99.4674° 42.0060°
    RAAN 280.8414° 260.5473°
    Perigee Argument 341.7457° 91.7206°
    Mean Anomaly (M) 18.1079° 268.4728°
    Apogee 642.669 km 574.114 km
    Perigee 538.623 km 560.674 km
    Orbit Epoch 2026-10-19T04:24:18+0000 2026-10-20T06:29:14+0000

    FENGYUN 1C DEB & QPS-SAR-15 SUKUNAMI-1 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QPS-SAR-15 SUKUNAMI-1 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QPS-SAR-15 SUKUNAMI-1 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QPS-SAR-15 SUKUNAMI-1 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss 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

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QPS-SAR-15 SUKUNAMI-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data