Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.44016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T12:26:37+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 35174
    NORAD ID 35174
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 53677
    NORAD ID 53677
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-4579
    Time of Closest Approach 2026-10-17T20:27:05+0000
    Collision Probability (Pc) 1.44016E-6
    Conjunction Distance (km) 2.831 km
    Relative Speed (km/s) 14.764 km/s
    Conjunction Risk Parameters R (Radial): -0.832 | I (In-track): -0.686 | C (Cross-track): -2.617
    Collision Risk Index (CRI) 0.38
    X Position (km) 3525.796 3526.506
    Position Y (km) -1549.31 -1546.667
    Position Z (km) -5668.26 -5667.534
    Velocity X (km/s) 4.738 -6.312
    Velocity Y (km/s) -4.393 0.891
    Velocity Z (km/s) 4.071 -4.173

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-4579
    Semimajor Axis (a) 6877.694 km 6843.680 km
    Eccentricity (e) 0.009661 0.000209
    Inclination (i) 98.9560° 97.2842°
    RAAN 321.0701° 165.9057°
    Perigee Argument 246.1397° 94.8172°
    Mean Anomaly (M) 112.9688° 265.3309°
    Apogee 566.004 km 466.971 km
    Perigee 433.110 km 464.115 km
    Orbit Epoch 2026-10-16T08:24:50+0000 2026-10-16T13:40:02+0000

    FENGYUN 1C DEB & STARLINK-4579 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-4579 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-4579 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-4579 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4579Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4579Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data