Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.756982E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T10:33:46+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 59511
    NORAD ID 59511
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31635
    Time of Closest Approach 2026-08-27T18:48:58+0000
    Collision Probability (Pc) 4.756982E-6
    Conjunction Distance (km) 1.55 km
    Relative Speed (km/s) 10.414 km/s
    Conjunction Risk Parameters R (Radial): -0.891 | I (In-track): -0.934 | C (Cross-track): 0.857
    Collision Risk Index (CRI) 0.49
    X Position (km) -5194.149 -5195.462
    Position Y (km) -473.934 -474.72
    Position Z (km) 4447.951 4447.707
    Velocity X (km/s) -4.981 -0.693
    Velocity Y (km/s) 1.127 -7.426
    Velocity Z (km/s) -5.71 -1.598

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31635
    Semimajor Axis (a) 6920.196 km 6861.204 km
    Eccentricity (e) 0.009271 0.000132
    Inclination (i) 98.9996° 43.0021°
    RAAN 353.9229° 78.1574°
    Perigee Argument 163.7173° 273.8776°
    Mean Anomaly (M) 196.7065° 86.1925°
    Apogee 606.216 km 483.971 km
    Perigee 477.902 km 482.163 km
    Orbit Epoch 2026-08-24T18:32:51+0000 2026-08-26T14:05:57+0000

    FENGYUN 1C DEB & STARLINK-31635 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31635 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31635 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31635 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31635Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31635Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data