Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.724953E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:05:10+0800
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    1 Object 1

    AOE ID 30641
    NORAD ID 30641
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56778
    NORAD ID 56778
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-6304
    Time of Closest Approach 2026-09-14T10:53:06+0000
    Collision Probability (Pc) 7.724953E-7
    Conjunction Distance (km) 2.757 km
    Relative Speed (km/s) 4.572 km/s
    Conjunction Risk Parameters R (Radial): 0.575 | I (In-track): -2.569 | C (Cross-track): 0.819
    Collision Risk Index (CRI) 0.33
    X Position (km) -4248.676 -4250.337
    Position Y (km) -3922.272 -3923.367
    Position Z (km) 3853.519 3851.61
    Velocity X (km/s) 2.034 4.928
    Velocity Y (km/s) 3.816 0.313
    Velocity Z (km/s) 6.254 5.744

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-6304
    Semimajor Axis (a) 7002.067 km 6950.206 km
    Eccentricity (e) 0.012901 0.000351
    Inclination (i) 98.9702° 69.9991°
    RAAN 225.8819° 216.5978°
    Perigee Argument 346.2088° 262.9978°
    Mean Anomaly (M) 42.1899° 97.0782°
    Apogee 714.263 km 574.507 km
    Perigee 533.597 km 569.631 km
    Orbit Epoch 2026-09-11T21:16:41+0000 2026-09-11T07:25:08+0000

    FENGYUN 1C DEB & STARLINK-6304 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-6304 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-6304 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-6304 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6304Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6304Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data