Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.952309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T18:53:57+0800
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    1 Object 1

    AOE ID 30744
    NORAD ID 30744
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67881
    NORAD ID 67881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36808
    Time of Closest Approach 2026-09-07T01:36:53+0000
    Collision Probability (Pc) 3.952309E-6
    Conjunction Distance (km) 1.695 km
    Relative Speed (km/s) 11.931 km/s
    Conjunction Risk Parameters R (Radial): -0.827 | I (In-track): -0.92 | C (Cross-track): -1.156
    Collision Risk Index (CRI) 0.47
    X Position (km) 1238.342 1237.241
    Position Y (km) 897.734 898.757
    Position Z (km) 6662.428 6661.646
    Velocity X (km/s) -1.384 7.504
    Velocity Y (km/s) -7.402 0.101
    Velocity Z (km/s) 1.25 -1.404

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36808
    Semimajor Axis (a) 6844.145 km 6843.715 km
    Eccentricity (e) 0.000293 0.000202
    Inclination (i) 98.7289° 97.2832°
    RAAN 75.5036° 179.8685°
    Perigee Argument 185.8559° 90.1299°
    Mean Anomaly (M) 331.1079° 270.0175°
    Apogee 468.016 km 466.962 km
    Perigee 464.000 km 464.194 km
    Orbit Epoch 2026-09-04T23:50:09+0000 2026-09-04T18:21:52+0000

    FENGYUN 1C DEB & STARLINK-36808 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36808 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36808 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36808 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36808Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36808Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data