Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.569614E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:39:26+0800
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    1 Object 1

    AOE ID 38728
    NORAD ID 38728
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name ALICE
    AOE ID 39467
    NORAD ID 39467
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB ALICE
    Time of Closest Approach 2026-10-23T02:32:08+0000
    Collision Probability (Pc) 1.569614E-6
    Conjunction Distance (km) 2.385 km
    Relative Speed (km/s) 10.589 km/s
    Conjunction Risk Parameters R (Radial): 2.184 | I (In-track): 0.676 | C (Cross-track): 0.681
    Collision Risk Index (CRI) 0.39
    X Position (km) -2736.781 -2736.784
    Position Y (km) 2533.782 2532.629
    Position Z (km) -5946.609 -5944.522
    Velocity X (km/s) 5.994 3.437
    Velocity Y (km/s) -2.44 6.54
    Velocity Z (km/s) -3.859 1.136

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB ALICE
    Semimajor Axis (a) 7025.109 km 6911.211 km
    Eccentricity (e) 0.006949 0.016520
    Inclination (i) 99.2556° 120.4609°
    RAAN 326.3657° 56.6642°
    Perigee Argument 179.6434° 125.2569°
    Mean Anomaly (M) 303.1350° 236.4079°
    Apogee 695.787 km 647.245 km
    Perigee 598.157 km 418.903 km
    Orbit Epoch 2026-10-17T22:14:02+0000 2026-10-20T06:36:50+0000

    FENGYUN 1C DEB & ALICE Collision Probability (Pc) Trend

    FENGYUN 1C DEB & ALICE Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & ALICE Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & ALICE Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ALICECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data