Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.11635E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T06:04:33+0800
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    1 Object 1

    AOE ID 30684
    NORAD ID 30684
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69802
    NORAD ID 69802
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB QIANFAN-203
    Time of Closest Approach 2026-09-05T19:14:22+0000
    Collision Probability (Pc) 2.11635E-6
    Conjunction Distance (km) 1.918 km
    Relative Speed (km/s) 7.732 km/s
    Conjunction Risk Parameters R (Radial): 1.871 | I (In-track): -0.346 | C (Cross-track): 0.243
    Collision Risk Index (CRI) 0.42
    X Position (km) 1390.374 1390.392
    Position Y (km) -293.535 -293.374
    Position Z (km) -7099.868 -7101.779
    Velocity X (km/s) 2.551 7.214
    Velocity Y (km/s) -6.985 -0.847
    Velocity Z (km/s) 0.869 1.454

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB QIANFAN-203
    Semimajor Axis (a) 7387.363 km 7233.005 km
    Eccentricity (e) 0.023366 0.000828
    Inclination (i) 99.5119° 88.9977°
    RAAN 289.9755° 353.3253°
    Perigee Argument 306.8292° 38.0514°
    Mean Anomaly (M) 51.1623° 322.1255°
    Apogee 1181.839 km 860.855 km
    Perigee 836.613 km 848.881 km
    Orbit Epoch 2026-09-04T13:46:40+0000 2026-09-03T19:58:01+0000

    FENGYUN 1C DEB & QIANFAN-203 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & QIANFAN-203 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & QIANFAN-203 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & QIANFAN-203 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-203Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-203Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data