Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.337823E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T04:31:34+0800
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    1 Object 1

    AOE ID 38513
    NORAD ID 38513
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68861
    NORAD ID 68861
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37479
    Time of Closest Approach 2026-09-13T19:16:13+0000
    Collision Probability (Pc) 1.337823E-6
    Conjunction Distance (km) 2.853 km
    Relative Speed (km/s) 13.225 km/s
    Conjunction Risk Parameters R (Radial): -1.255 | I (In-track): 1.299 | C (Cross-track): -2.207
    Collision Risk Index (CRI) 0.38
    X Position (km) -845.565 -847.945
    Position Y (km) 1522.114 1521.123
    Position Z (km) 6608.616 6609.837
    Velocity X (km/s) 6.599 0.202
    Velocity Y (km/s) -3.621 7.444
    Velocity Z (km/s) 1.712 -1.683

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37479
    Semimajor Axis (a) 6997.623 km 6843.681 km
    Eccentricity (e) 0.022812 0.000160
    Inclination (i) 97.6014° 97.2824°
    RAAN 146.2818° 268.6034°
    Perigee Argument 76.3405° 93.6953°
    Mean Anomaly (M) 286.3098° 266.4473°
    Apogee 779.120 km 466.642 km
    Perigee 459.852 km 464.446 km
    Orbit Epoch 2026-09-10T09:58:41+0000 2026-09-12T06:48:12+0000

    FENGYUN 1C DEB & STARLINK-37479 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37479 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37479 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37479 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37479Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37479Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data