Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.141553E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-01T09:50:57+0800
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    1 Object 1

    AOE ID 31296
    NORAD ID 31296
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 55771
    NORAD ID 55771
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-5591
    Time of Closest Approach 2026-11-01T03:20:59+0000
    Collision Probability (Pc) 1.141553E-6
    Conjunction Distance (km) 2.862 km
    Relative Speed (km/s) 10.095 km/s
    Conjunction Risk Parameters R (Radial): 2.723 | I (In-track): 0.651 | C (Cross-track): 0.592
    Collision Risk Index (CRI) 0.36
    X Position (km) 947.517 946.628
    Position Y (km) -2575.741 -2574.105
    Position Z (km) -6393.306 -6391.134
    Velocity X (km/s) -0.634 7.352
    Velocity Y (km/s) -7.024 -0.977
    Velocity Z (km/s) 2.736 1.482

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-5591
    Semimajor Axis (a) 6958.328 km 6950.244 km
    Eccentricity (e) 0.001143 0.000313
    Inclination (i) 99.0557° 70.0001°
    RAAN 267.7833° 350.2470°
    Perigee Argument 289.3933° 270.9965°
    Mean Anomaly (M) 70.6048° 89.0835°
    Apogee 588.142 km 574.281 km
    Perigee 572.240 km 569.933 km
    Orbit Epoch 2026-10-31T14:48:39+0000 2026-10-31T08:28:12+0000

    FENGYUN 1C DEB & STARLINK-5591 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-5591 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-5591 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-5591 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5591Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5591Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data