Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.366076E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:21:44+0800
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    1 Object 1

    AOE ID 31346
    NORAD ID 31346
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68804
    NORAD ID 68804
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37473
    Time of Closest Approach 2026-09-06T11:16:01+0000
    Collision Probability (Pc) 1.366076E-6
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 15.099 km/s
    Conjunction Risk Parameters R (Radial): 2.457 | I (In-track): -0.264 | C (Cross-track): 1.664
    Collision Risk Index (CRI) 0.38
    X Position (km) -148.523 -150.261
    Position Y (km) 6025.391 6027.528
    Position Z (km) 3232.286 3233.42
    Velocity X (km/s) 1.254 1.187
    Velocity Y (km/s) 3.56 -3.552
    Velocity Z (km/s) -6.665 6.653

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37473
    Semimajor Axis (a) 6882.833 km 6843.687 km
    Eccentricity (e) 0.009063 0.000175
    Inclination (i) 98.8787° 97.2857°
    RAAN 264.7123° 92.9770°
    Perigee Argument 204.3671° 93.3571°
    Mean Anomaly (M) 155.3263° 266.7871°
    Apogee 567.074 km 466.745 km
    Perigee 442.318 km 464.355 km
    Orbit Epoch 2026-09-04T20:41:25+0000 2026-09-04T01:11:54+0000

    FENGYUN 1C DEB & STARLINK-37473 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37473 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37473 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37473 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37473Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37473Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data