Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.192014E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T08:44:47+0800
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    1 Object 1

    AOE ID 31666
    NORAD ID 31666
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55397
    NORAD ID 55397
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5224
    Time of Closest Approach 2026-08-29T05:46:06+0000
    Collision Probability (Pc) 8.192014E-6
    Conjunction Distance (km) 1.332 km
    Relative Speed (km/s) 11.092 km/s
    Conjunction Risk Parameters R (Radial): 0.041 | I (In-track): 0.9 | C (Cross-track): -0.981
    Collision Risk Index (CRI) 0.53
    X Position (km) -1991.782 -1992.986
    Position Y (km) -1564.372 -1564.671
    Position Z (km) -6476.949 -6476.463
    Velocity X (km/s) 3.11 6.287
    Velocity Y (km/s) 6.418 -4.095
    Velocity Z (km/s) -2.5 -0.945

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5224
    Semimajor Axis (a) 6939.873 km 6950.192 km
    Eccentricity (e) 0.001445 0.000342
    Inclination (i) 98.6594° 69.9996°
    RAAN 59.6222° 331.8581°
    Perigee Argument 34.8052° 269.7158°
    Mean Anomaly (M) 325.4112° 90.3609°
    Apogee 571.763 km 574.431 km
    Perigee 551.709 km 569.679 km
    Orbit Epoch 2026-08-27T22:16:23+0000 2026-08-28T07:46:19+0000

    FENGYUN 1C DEB & STARLINK-5224 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5224 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5224 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5224 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5224Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5224Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data