Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.441886E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:53:33+0800
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    1 Object 1

    AOE ID 30106
    NORAD ID 30106
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69683
    NORAD ID 69683
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-37990
    Time of Closest Approach 2026-10-21T13:30:26+0000
    Collision Probability (Pc) 2.441886E-6
    Conjunction Distance (km) 2.048 km
    Relative Speed (km/s) 12.658 km/s
    Conjunction Risk Parameters R (Radial): 1.422 | I (In-track): -0.824 | C (Cross-track): -1.222
    Collision Risk Index (CRI) 0.43
    X Position (km) 637.89 639.424
    Position Y (km) -1617.067 -1616.947
    Position Z (km) -6625.047 -6626.398
    Velocity X (km/s) -2.186 -5.887
    Velocity Y (km/s) -7.139 4.534
    Velocity Z (km/s) 1.525 -1.674

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-37990
    Semimajor Axis (a) 6849.376 km 6843.608 km
    Eccentricity (e) 0.001092 0.000070
    Inclination (i) 98.9100° 97.2829°
    RAAN 251.5355° 137.2263°
    Perigee Argument 236.2978° 33.2719°
    Mean Anomaly (M) 154.3091° 326.8567°
    Apogee 478.718 km 465.948 km
    Perigee 463.760 km 464.994 km
    Orbit Epoch 2026-10-18T20:08:45+0000 2026-10-17T23:49:29+0000

    FENGYUN 1C DEB & STARLINK-37990 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-37990 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-37990 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-37990 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37990Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37990Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data