Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.045737E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:10:51+0800
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    1 Object 1

    AOE ID 30912
    NORAD ID 30912
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 55664
    NORAD ID 55664
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5480
    Time of Closest Approach 2026-09-05T07:53:06+0000
    Collision Probability (Pc) 1.045737E-6
    Conjunction Distance (km) 2.809 km
    Relative Speed (km/s) 8.284 km/s
    Conjunction Risk Parameters R (Radial): 2.779 | I (In-track): 0.337 | C (Cross-track): -0.238
    Collision Risk Index (CRI) 0.35
    X Position (km) 1377.916 1377.441
    Position Y (km) -2952.184 -2951.363
    Position Z (km) -6147.688 -6145.044
    Velocity X (km/s) -4.955 3.079
    Velocity Y (km/s) 4.661 6.471
    Velocity Z (km/s) -3.307 -2.418

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5480
    Semimajor Axis (a) 6956.625 km 6950.224 km
    Eccentricity (e) 0.005059 0.000294
    Inclination (i) 98.9679° 69.9991°
    RAAN 131.0046° 72.9034°
    Perigee Argument 327.4474° 265.6672°
    Mean Anomaly (M) 32.3627° 94.4152°
    Apogee 613.682 km 574.129 km
    Perigee 543.294 km 570.045 km
    Orbit Epoch 2026-09-04T03:30:44+0000 2026-09-04T19:33:24+0000

    FENGYUN 1C DEB & STARLINK-5480 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5480 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5480 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5480 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5480Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5480Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data