Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.130347E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T05:36:46+0800
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    1 Object 1

    AOE ID 31882
    NORAD ID 31882
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 61558
    NORAD ID 61558
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-25
    Time of Closest Approach 2026-10-28T16:15:32+0000
    Collision Probability (Pc) 3.130347E-6
    Conjunction Distance (km) 1.931 km
    Relative Speed (km/s) 14.742 km/s
    Conjunction Risk Parameters R (Radial): -0.556 | I (In-track): -0.168 | C (Cross-track): -1.84
    Collision Risk Index (CRI) 0.45
    X Position (km) 4317.106 4318.743
    Position Y (km) 3787.328 3786.322
    Position Z (km) -4439.077 -4439.252
    Velocity X (km/s) -2.375 3.287
    Velocity Y (km/s) -4.012 3.101
    Velocity Z (km/s) -5.738 5.867

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-25
    Semimajor Axis (a) 7225.210 km 7250.687 km
    Eccentricity (e) 0.003742 0.001535
    Inclination (i) 98.9245° 88.9900°
    RAAN 223.6039° 42.2929°
    Perigee Argument 51.9562° 70.2508°
    Mean Anomaly (M) 308.4977° 290.0328°
    Apogee 874.110 km 883.677 km
    Perigee 820.036 km 861.423 km
    Orbit Epoch 2026-10-24T00:48:51+0000 2026-10-26T06:22:16+0000

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-25 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-25 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data