Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.388016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T21:23:48+0800
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    1 Object 1

    AOE ID 31631
    NORAD ID 31631
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 62107
    NORAD ID 62107
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33559
    Time of Closest Approach 2026-09-06T14:15:56+0000
    Collision Probability (Pc) 1.388016E-6
    Conjunction Distance (km) 2.409 km
    Relative Speed (km/s) 8.881 km/s
    Conjunction Risk Parameters R (Radial): -1.487 | I (In-track): 1.542 | C (Cross-track): -1.101
    Collision Risk Index (CRI) 0.38
    X Position (km) 4373.027 4373.791
    Position Y (km) 3785.464 3785.083
    Position Z (km) 3681.971 3684.223
    Velocity X (km/s) 4.004 -2.781
    Velocity Y (km/s) 1.53 6.338
    Velocity Z (km/s) -6.317 -3.202

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33559
    Semimajor Axis (a) 6873.816 km 6861.169 km
    Eccentricity (e) 0.002065 0.000285
    Inclination (i) 99.3108° 43.0068°
    RAAN 212.5741° 266.6966°
    Perigee Argument 166.3238° 290.4492°
    Mean Anomaly (M) 193.8557° 69.6054°
    Apogee 509.876 km 484.988 km
    Perigee 481.482 km 481.076 km
    Orbit Epoch 2026-09-04T17:29:31+0000 2026-09-06T02:43:24+0000

    FENGYUN 1C DEB & STARLINK-33559 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33559 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33559 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33559 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33559Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33559Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data