Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.40604E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T20:19:13+0800
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    1 Object 1

    AOE ID 31256
    NORAD ID 31256
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 60381
    NORAD ID 60381
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-3
    Time of Closest Approach 2026-10-29T19:30:03+0000
    Collision Probability (Pc) 1.40604E-6
    Conjunction Distance (km) 2.718 km
    Relative Speed (km/s) 12.804 km/s
    Conjunction Risk Parameters R (Radial): -1.582 | I (In-track): 1.035 | C (Cross-track): -1.951
    Collision Risk Index (CRI) 0.38
    X Position (km) 224.996 223.027
    Position Y (km) 1240.555 1239.943
    Position Z (km) 7331.752 7333.521
    Velocity X (km/s) 5.728 0.503
    Velocity Y (km/s) -4.341 7.196
    Velocity Z (km/s) 0.648 -1.219

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-3
    Semimajor Axis (a) 7248.371 km 7446.627 km
    Eccentricity (e) 0.030056 0.001449
    Inclination (i) 98.6545° 88.9672°
    RAAN 137.2669° 266.1262°
    Perigee Argument 303.1844° 9.1963°
    Mean Anomaly (M) 54.0830° 350.9450°
    Apogee 1088.090 km 1079.281 km
    Perigee 652.378 km 1057.699 km
    Orbit Epoch 2026-10-24T19:36:26+0000 2026-10-26T23:27:57+0000

    FENGYUN 1C DEB & QIANFAN-3 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-3 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-3 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-3 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data