Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.927175E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T01:02:03+0800
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    1 Object 1

    AOE ID 29771
    NORAD ID 29771
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58493
    NORAD ID 58493
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-30985
    Time of Closest Approach 2026-10-19T21:26:35+0000
    Collision Probability (Pc) 2.927175E-6
    Conjunction Distance (km) 1.701 km
    Relative Speed (km/s) 7.659 km/s
    Conjunction Risk Parameters R (Radial): 0.005 | I (In-track): 1.468 | C (Cross-track): 0.859
    Collision Risk Index (CRI) 0.44
    X Position (km) 5209.566 5209.604
    Position Y (km) 3937.401 3938.168
    Position Z (km) 2097.815 2096.297
    Velocity X (km/s) 2.648 -2.337
    Velocity Y (km/s) 0.326 5.576
    Velocity Z (km/s) -7.148 -4.65

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-30985
    Semimajor Axis (a) 6866.666 km 6861.174 km
    Eccentricity (e) 0.001087 0.000144
    Inclination (i) 99.6071° 43.0018°
    RAAN 212.9158° 241.0866°
    Perigee Argument 149.9702° 267.4596°
    Mean Anomaly (M) 210.2154° 92.6090°
    Apogee 495.993 km 484.028 km
    Perigee 481.065 km 482.046 km
    Orbit Epoch 2026-10-19T01:51:05+0000 2026-10-19T05:04:57+0000

    FENGYUN 1C DEB & STARLINK-30985 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-30985 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-30985 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-30985 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30985Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30985Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data