Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.84619E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T19:43:22+0800
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    1 Object 1

    AOE ID 31441
    NORAD ID 31441
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63349
    NORAD ID 63349
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YUNYAO-1 48
    Time of Closest Approach 2026-11-01T02:44:59+0000
    Collision Probability (Pc) 7.84619E-6
    Conjunction Distance (km) 1.368 km
    Relative Speed (km/s) 11.882 km/s
    Conjunction Risk Parameters R (Radial): -1.111 | I (In-track): 0.504 | C (Cross-track): -0.616
    Collision Risk Index (CRI) 0.53
    X Position (km) -75.212 -74.403
    Position Y (km) 1623.501 1623.222
    Position Z (km) 6697.802 6696.735
    Velocity X (km/s) 4.953 4.552
    Velocity Y (km/s) 5.638 -5.913
    Velocity Z (km/s) -1.268 1.486

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YUNYAO-1 48
    Semimajor Axis (a) 6915.385 km 6908.432 km
    Eccentricity (e) 0.005604 0.001632
    Inclination (i) 99.2807° 97.6119°
    RAAN 228.4187° 124.8688°
    Perigee Argument 37.9232° 57.0509°
    Mean Anomaly (M) 322.5918° 303.2288°
    Apogee 576.002 km 541.569 km
    Perigee 498.494 km 519.021 km
    Orbit Epoch 2026-10-30T13:43:45+0000 2026-10-30T21:48:49+0000

    FENGYUN 1C DEB & YUNYAO-1 48 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YUNYAO-1 48 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YUNYAO-1 48 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YUNYAO-1 48 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 48Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 48Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data