Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.496984E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:55:24+0800
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    1 Object 1

    AOE ID 31877
    NORAD ID 31877
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66435
    NORAD ID 66435
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-35502
    Time of Closest Approach 2026-10-20T08:08:22+0000
    Collision Probability (Pc) 1.496984E-6
    Conjunction Distance (km) 2.219 km
    Relative Speed (km/s) 7.67 km/s
    Conjunction Risk Parameters R (Radial): -2.093 | I (In-track): 0.642 | C (Cross-track): 0.361
    Collision Risk Index (CRI) 0.39
    X Position (km) 2905.451 2906.476
    Position Y (km) 5791.794 5793.24
    Position Z (km) -2252.164 -2253.499
    Velocity X (km/s) 2.244 -4.565
    Velocity Y (km/s) 1.645 4.061
    Velocity Z (km/s) 7.133 4.559

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-35502
    Semimajor Axis (a) 6916.448 km 6861.165 km
    Eccentricity (e) 0.008909 0.000175
    Inclination (i) 99.0054° 43.0007°
    RAAN 58.4154° 95.5786°
    Perigee Argument 343.4551° 275.5783°
    Mean Anomaly (M) 16.3770° 84.4869°
    Apogee 599.930 km 484.226 km
    Perigee 476.692 km 481.830 km
    Orbit Epoch 2026-10-18T19:37:46+0000 2026-10-18T12:19:36+0000

    FENGYUN 1C DEB & STARLINK-35502 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-35502 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-35502 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-35502 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data