Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.208417E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T07:31:01+0800
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    1 Object 1

    AOE ID 30979
    NORAD ID 30979
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 44703
    NORAD ID 44703
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB GAOFEN 7
    Time of Closest Approach 2026-09-18T00:55:20+0000
    Collision Probability (Pc) 2.208417E-6
    Conjunction Distance (km) 2.239 km
    Relative Speed (km/s) 15.03 km/s
    Conjunction Risk Parameters R (Radial): -0.018 | I (In-track): 0.427 | C (Cross-track): -2.197
    Collision Risk Index (CRI) 0.42
    X Position (km) -4153.82 -4154.951
    Position Y (km) 2412.829 2410.898
    Position Z (km) 4907.524 4907.541
    Velocity X (km/s) 5.421 -3.921
    Velocity Y (km/s) -1.424 3.933
    Velocity Z (km/s) 5.261 -5.223

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB GAOFEN 7
    Semimajor Axis (a) 6997.283 km 6880.089 km
    Eccentricity (e) 0.018056 0.002009
    Inclination (i) 97.8026° 97.5625°
    RAAN 154.6029° 319.6727°
    Perigee Argument 61.8502° 91.7631°
    Mean Anomaly (M) 329.5623° 268.5905°
    Apogee 745.487 km 515.774 km
    Perigee 492.805 km 488.130 km
    Orbit Epoch 2026-09-14T15:54:08+0000 2026-09-15T15:30:30+0000

    FENGYUN 1C DEB & GAOFEN 7 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & GAOFEN 7 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & GAOFEN 7 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & GAOFEN 7 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GAOFEN 7Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GAOFEN 7Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data