Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.364891E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T09:58:28+0800
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    1 Object 1

    AOE ID 38809
    NORAD ID 38809
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name NISAR
    AOE ID 65053
    NORAD ID 65053
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB NISAR
    Time of Closest Approach 2026-10-31T02:51:26+0000
    Collision Probability (Pc) 2.364891E-5
    Conjunction Distance (km) 1.041 km
    Relative Speed (km/s) 14.833 km/s
    Conjunction Risk Parameters R (Radial): 0.474 | I (In-track): 0.119 | C (Cross-track): -0.919
    Collision Risk Index (CRI) 0.62
    X Position (km) -4543.644 -4543.231
    Position Y (km) 5492.176 5493.131
    Position Z (km) 192.111 192.143
    Velocity X (km/s) 0.639 0.975
    Velocity Y (km/s) 0.987 0.536
    Velocity Z (km/s) -7.427 7.395

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB NISAR
    Semimajor Axis (a) 7207.218 km 7128.378 km
    Eccentricity (e) 0.022214 0.000124
    Inclination (i) 98.5858° 98.4059°
    RAAN 308.5142° 129.4796°
    Perigee Argument 119.4411° 89.8692°
    Mean Anomaly (M) 242.9134° 270.2639°
    Apogee 989.183 km 751.125 km
    Perigee 668.979 km 749.357 km
    Orbit Epoch 2026-10-30T05:43:54+0000 2026-10-30T18:31:35+0000

    FENGYUN 1C DEB & NISAR Collision Probability (Pc) Trend

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

    FENGYUN 1C DEB & NISAR Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & NISAR Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NISARMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    NISARCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data