Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.020303E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:10:19+0800
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    1 Object 1

    AOE ID 30374
    NORAD ID 30374
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 40555
    NORAD ID 40555
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter FENGYUN 1C DEB COSMOS 2504
    Time of Closest Approach 2026-10-20T20:13:25+0000
    Collision Probability (Pc) 1.020303E-6
    Conjunction Distance (km) 2.903 km
    Relative Speed (km/s) 8.544 km/s
    Conjunction Risk Parameters R (Radial): 0.638 | I (In-track): 2.36 | C (Cross-track): 1.566
    Collision Risk Index (CRI) 0.35
    X Position (km) 1756.991 1754.473
    Position Y (km) -522.345 -521.832
    Position Z (km) -6799.586 -6800.936
    Velocity X (km/s) -6.805 -5.129
    Velocity Y (km/s) -2.826 5.552
    Velocity Z (km/s) -1.521 -1.478

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB COSMOS 2504
    Semimajor Axis (a) 7054.142 km 7408.609 km
    Eccentricity (e) 0.003784 0.060681
    Inclination (i) 99.2481° 82.5164°
    RAAN 199.3532° 134.8696°
    Perigee Argument 306.0748° 295.1481°
    Mean Anomaly (M) 83.3753° 58.7906°
    Apogee 702.696 km 1480.037 km
    Perigee 649.314 km 580.907 km
    Orbit Epoch 2026-10-19T16:57:41+0000 2026-10-19T23:30:52+0000

    FENGYUN 1C DEB & COSMOS 2504 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & COSMOS 2504 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & COSMOS 2504 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & COSMOS 2504 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data