Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.188318E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:02:39+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 63802
    NORAD ID 63802
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-33975
    Time of Closest Approach 2026-10-18T02:07:16+0000
    Collision Probability (Pc) 7.188318E-6
    Conjunction Distance (km) 1.462 km
    Relative Speed (km/s) 14.452 km/s
    Conjunction Risk Parameters R (Radial): 1.461 | I (In-track): 0.018 | C (Cross-track): -0.054
    Collision Risk Index (CRI) 0.52
    X Position (km) 3655.063 3655.798
    Position Y (km) 5801.956 5803.219
    Position Z (km) -174.159 -174.171
    Velocity X (km/s) 1.12 -4.787
    Velocity Y (km/s) -0.47 2.865
    Velocity Z (km/s) 7.561 -5.199

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-33975
    Semimajor Axis (a) 6916.544 km 6861.109 km
    Eccentricity (e) 0.008925 0.000155
    Inclination (i) 99.0059° 43.0009°
    RAAN 56.3935° 240.8493°
    Perigee Argument 349.0850° 268.2674°
    Mean Anomaly (M) 10.8435° 91.8001°
    Apogee 600.139 km 484.033 km
    Perigee 476.675 km 481.911 km
    Orbit Epoch 2026-10-17T02:15:40+0000 2026-10-17T06:29:50+0000

    FENGYUN 1C DEB & STARLINK-33975 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-33975 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-33975 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-33975 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33975Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33975Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data