Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.209465E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T14:45:55+0800
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    1 Object 1

    AOE ID 31630
    NORAD ID 31630
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57915
    NORAD ID 57915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-30454
    Time of Closest Approach 2026-09-10T17:42:36+0000
    Collision Probability (Pc) 1.209465E-6
    Conjunction Distance (km) 2.83 km
    Relative Speed (km/s) 10.887 km/s
    Conjunction Risk Parameters R (Radial): -2.826 | I (In-track): -0.061 | C (Cross-track): -0.103
    Collision Risk Index (CRI) 0.37
    X Position (km) -1278.473 -1278.047
    Position Y (km) -4934.916 -4932.914
    Position Z (km) -4599.95 -4597.997
    Velocity X (km/s) -0.161 7.485
    Velocity Y (km/s) 5.15 -1.039
    Velocity Z (km/s) -5.63 -0.966

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-30454
    Semimajor Axis (a) 6891.596 km 6861.193 km
    Eccentricity (e) 0.013608 0.000147
    Inclination (i) 98.0982° 43.0040°
    RAAN 81.8277° 7.6271°
    Perigee Argument 154.8290° 266.1893°
    Mean Anomaly (M) 205.9657° 93.8790°
    Apogee 607.241 km 484.066 km
    Perigee 419.677 km 482.046 km
    Orbit Epoch 2026-09-09T18:35:11+0000 2026-09-09T09:11:41+0000

    FENGYUN 1C DEB & STARLINK-30454 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-30454 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-30454 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-30454 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30454Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30454Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data