Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.062512E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T04:54:42+0800
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    1 Object 1

    AOE ID 30156
    NORAD ID 30156
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 69074
    NORAD ID 69074
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-128
    Time of Closest Approach 2026-10-25T07:59:38+0000
    Collision Probability (Pc) 1.062512E-6
    Conjunction Distance (km) 2.858 km
    Relative Speed (km/s) 8.87 km/s
    Conjunction Risk Parameters R (Radial): 0.315 | I (In-track): -2.262 | C (Cross-track): 1.718
    Collision Risk Index (CRI) 0.36
    X Position (km) 980.115 979.194
    Position Y (km) -762.907 -760.297
    Position Z (km) -7351.449 -7352.161
    Velocity X (km/s) -2.115 6.132
    Velocity Y (km/s) -6.922 -3.775
    Velocity Z (km/s) 0.345 1.208

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-128
    Semimajor Axis (a) 7335.736 km 7446.657 km
    Eccentricity (e) 0.019717 0.000248
    Inclination (i) 98.9380° 88.9843°
    RAAN 252.0250° 328.3161°
    Perigee Argument 135.6805° 94.0505°
    Mean Anomaly (M) 281.8921° 266.0930°
    Apogee 1102.240 km 1070.369 km
    Perigee 812.958 km 1066.671 km
    Orbit Epoch 2026-10-23T20:12:07+0000 2026-10-24T07:30:26+0000

    FENGYUN 1C DEB & QIANFAN-128 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-128 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-128 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-128 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data