Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.608238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T15:44:05+0800
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    1 Object 1

    AOE ID 31686
    NORAD ID 31686
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 64689
    NORAD ID 64689
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-34538
    Time of Closest Approach 2026-10-29T09:54:40+0000
    Collision Probability (Pc) 3.608238E-6
    Conjunction Distance (km) 1.739 km
    Relative Speed (km/s) 11.674 km/s
    Conjunction Risk Parameters R (Radial): 1.194 | I (In-track): -0.819 | C (Cross-track): -0.962
    Collision Risk Index (CRI) 0.46
    X Position (km) -3494.188 -3494.497
    Position Y (km) -2169.74 -2169.057
    Position Z (km) 5454.802 5456.371
    Velocity X (km/s) -6.034 3.584
    Velocity Y (km/s) -1.61 -6.735
    Velocity Z (km/s) -4.564 -0.382

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-34538
    Semimajor Axis (a) 7016.773 km 6840.804 km
    Eccentricity (e) 0.026623 0.000093
    Inclination (i) 98.1215° 53.1599°
    RAAN 19.4968° 122.9554°
    Perigee Argument 146.5768° 99.6586°
    Mean Anomaly (M) 26.8104° 260.4521°
    Apogee 825.443 km 463.302 km
    Perigee 451.829 km 462.032 km
    Orbit Epoch 2026-10-27T23:58:43+0000 2026-10-27T21:33:06+0000

    FENGYUN 1C DEB & STARLINK-34538 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-34538 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-34538 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-34538 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data