Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.375016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:43:08+0800
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    1 Object 1

    AOE ID 30520
    NORAD ID 30520
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59363
    NORAD ID 59363
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-31553
    Time of Closest Approach 2026-09-05T15:13:45+0000
    Collision Probability (Pc) 2.375016E-6
    Conjunction Distance (km) 2.129 km
    Relative Speed (km/s) 14.064 km/s
    Conjunction Risk Parameters R (Radial): 1.897 | I (In-track): -0.359 | C (Cross-track): -0.898
    Collision Risk Index (CRI) 0.43
    X Position (km) 1410.119 1409.76
    Position Y (km) -5939.421 -5941.478
    Position Z (km) -3131.543 -3131.957
    Velocity X (km/s) -2.061 6.552
    Velocity Y (km/s) 3.067 -0.48
    Velocity Z (km/s) -6.672 3.865

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-31553
    Semimajor Axis (a) 6866.807 km 6861.198 km
    Eccentricity (e) 0.005292 0.000139
    Inclination (i) 98.7055° 43.0041°
    RAAN 105.7607° 330.3618°
    Perigee Argument 285.2258° 293.4769°
    Mean Anomaly (M) 74.3129° 66.5937°
    Apogee 525.008 km 484.016 km
    Perigee 452.332 km 482.106 km
    Orbit Epoch 2026-09-03T19:49:13+0000 2026-09-03T05:20:58+0000

    FENGYUN 1C DEB & STARLINK-31553 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-31553 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-31553 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-31553 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31553Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31553Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data