Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.870393E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:20:18+0800
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    1 Object 1

    AOE ID 31938
    NORAD ID 31938
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 67421
    NORAD ID 67421
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36431
    Time of Closest Approach 2026-10-21T10:27:51+0000
    Collision Probability (Pc) 3.870393E-5
    Conjunction Distance (km) 0.787 km
    Relative Speed (km/s) 7.821 km/s
    Conjunction Risk Parameters R (Radial): 0.691 | I (In-track): 0.325 | C (Cross-track): -0.188
    Collision Risk Index (CRI) 0.67
    X Position (km) -6056.423 -6055.734
    Position Y (km) -1984.548 -1984.176
    Position Z (km) 2534.964 2535.032
    Velocity X (km/s) -3.106 0.211
    Velocity Y (km/s) 0.325 -6.247
    Velocity Z (km/s) -7.01 -4.371

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36431
    Semimajor Axis (a) 6948.364 km 6861.154 km
    Eccentricity (e) 0.014251 0.000132
    Inclination (i) 98.8945° 43.0033°
    RAAN 12.5595° 55.3816°
    Perigee Argument 137.5680° 269.8639°
    Mean Anomaly (M) 223.6663° 90.2062°
    Apogee 669.250 km 483.923 km
    Perigee 471.204 km 482.111 km
    Orbit Epoch 2026-10-19T16:06:55+0000 2026-10-19T07:36:28+0000

    FENGYUN 1C DEB & STARLINK-36431 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36431 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36431 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36431 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data