Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.617765E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T19:40:27+0800
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    1 Object 1

    AOE ID 37436
    NORAD ID 37436
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69869
    NORAD ID 69869
    Object Type PAYLOAD
    Country
    KR KR

    Conjunction Constraints

    Parameter FENGYUN 1C DEB CAS500-4
    Time of Closest Approach 2026-10-20T17:22:25+0000
    Collision Probability (Pc) 1.617765E-5
    Conjunction Distance (km) 1.153 km
    Relative Speed (km/s) 14.305 km/s
    Conjunction Risk Parameters R (Radial): -1.151 | I (In-track): 0.022 | C (Cross-track): -0.037
    Collision Risk Index (CRI) 0.59
    X Position (km) -4442.125 -4441.431
    Position Y (km) -28.858 -28.811
    Position Z (km) 5756.113 5755.195
    Velocity X (km/s) -5.696 5.653
    Velocity Y (km/s) 1.834 1.93
    Velocity Z (km/s) -4.336 4.37

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB CAS500-4
    Semimajor Axis (a) 7248.481 km 7269.071 km
    Eccentricity (e) 0.005831 0.001067
    Inclination (i) 98.8971° 98.9895°
    RAAN 347.3778° 191.2138°
    Perigee Argument 359.7319° 279.5466°
    Mean Anomaly (M) 0.3809° 80.4493°
    Apogee 912.609 km 898.689 km
    Perigee 828.079 km 883.179 km
    Orbit Epoch 2026-10-19T10:03:04+0000 2026-10-19T17:07:16+0000

    FENGYUN 1C DEB & CAS500-4 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & CAS500-4 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & CAS500-4 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & CAS500-4 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CAS500-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    CAS500-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data