Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.270617E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T03:02:41+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 66466
    NORAD ID 66466
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-35388
    Time of Closest Approach 2026-10-18T13:06:15+0000
    Collision Probability (Pc) 3.270617E-6
    Conjunction Distance (km) 1.717 km
    Relative Speed (km/s) 9.474 km/s
    Conjunction Risk Parameters R (Radial): -1.501 | I (In-track): -0.65 | C (Cross-track): 0.519
    Collision Risk Index (CRI) 0.45
    X Position (km) 2347.312 2346.958
    Position Y (km) 4995.629 4993.976
    Position Z (km) -4082.25 -4081.952
    Velocity X (km/s) 3.235 -5.475
    Velocity Y (km/s) 3.384 4.649
    Velocity Z (km/s) 6.048 2.542

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-35388
    Semimajor Axis (a) 6916.544 km 6861.158 km
    Eccentricity (e) 0.008925 0.000083
    Inclination (i) 99.0059° 43.0007°
    RAAN 56.3935° 123.2218°
    Perigee Argument 349.0850° 257.5618°
    Mean Anomaly (M) 10.8435° 102.5141°
    Apogee 600.139 km 483.589 km
    Perigee 476.675 km 482.453 km
    Orbit Epoch 2026-10-17T02:15:40+0000 2026-10-17T12:15:41+0000

    FENGYUN 1C DEB & STARLINK-35388 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-35388 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-35388 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-35388 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35388Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35388Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data