Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.602547E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T07:59:41+0800
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    1 Object 1

    AOE ID 30744
    NORAD ID 30744
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 54181
    NORAD ID 54181
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5227
    Time of Closest Approach 2026-09-06T15:05:40+0000
    Collision Probability (Pc) 3.602547E-6
    Conjunction Distance (km) 1.836 km
    Relative Speed (km/s) 14.813 km/s
    Conjunction Risk Parameters R (Radial): 1.775 | I (In-track): 0.114 | C (Cross-track): -0.457
    Collision Risk Index (CRI) 0.46
    X Position (km) -1524.008 -1524.038
    Position Y (km) -6667.752 -6665.933
    Position Z (km) -239.419 -239.173
    Velocity X (km/s) -1.072 4.418
    Velocity Y (km/s) 0.508 -1.222
    Velocity Z (km/s) -7.542 6.107

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5227
    Semimajor Axis (a) 6844.870 km 6840.889 km
    Eccentricity (e) 0.000317 0.000091
    Inclination (i) 98.7291° 53.1590°
    RAAN 74.3495° 268.6736°
    Perigee Argument 189.1426° 90.4912°
    Mean Anomaly (M) 329.5888° 269.6195°
    Apogee 468.903 km 463.378 km
    Perigee 464.563 km 462.126 km
    Orbit Epoch 2026-09-04T00:20:54+0000 2026-09-04T11:31:04+0000

    FENGYUN 1C DEB & STARLINK-5227 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5227 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5227 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5227 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5227Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5227Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data