Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.402653E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:41:33+0800
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    1 Object 1

    AOE ID 31619
    NORAD ID 31619
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53202
    NORAD ID 53202
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4411
    Time of Closest Approach 2026-09-13T08:24:34+0000
    Collision Probability (Pc) 1.402653E-6
    Conjunction Distance (km) 2.913 km
    Relative Speed (km/s) 15.053 km/s
    Conjunction Risk Parameters R (Radial): 2.318 | I (In-track): 0.269 | C (Cross-track): -1.743
    Collision Risk Index (CRI) 0.38
    X Position (km) -4359.81 -4359.557
    Position Y (km) 4213.531 4210.835
    Position Z (km) 3213.048 3211.977
    Velocity X (km/s) 3.495 -1.789
    Velocity Y (km/s) -1.493 3.249
    Velocity Z (km/s) 6.61 -6.662

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4411
    Semimajor Axis (a) 6868.750 km 6862.541 km
    Eccentricity (e) 0.004337 0.000245
    Inclination (i) 99.0390° 97.2841°
    RAAN 136.6951° 309.8125°
    Perigee Argument 123.7870° 93.1667°
    Mean Anomaly (M) 236.7505° 103.7774°
    Apogee 520.401 km 486.087 km
    Perigee 460.825 km 482.721 km
    Orbit Epoch 2026-09-09T22:25:28+0000 2026-09-11T00:00:04+0000

    FENGYUN 1C DEB & STARLINK-4411 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4411 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4411 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4411 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4411Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4411Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data