Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.099505E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T06:10:01+0800
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    1 Object 1

    AOE ID 30110
    NORAD ID 30110
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59909
    NORAD ID 59909
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANQI 25
    Time of Closest Approach 2026-09-16T20:58:57+0000
    Collision Probability (Pc) 2.099505E-6
    Conjunction Distance (km) 2.213 km
    Relative Speed (km/s) 13.266 km/s
    Conjunction Risk Parameters R (Radial): 1.87 | I (In-track): 0.511 | C (Cross-track): -1.066
    Collision Risk Index (CRI) 0.41
    X Position (km) 5335.282 5336.551
    Position Y (km) -1916.382 -1915.834
    Position Z (km) 4560.985 4562.711
    Velocity X (km/s) -4.733 4.102
    Velocity Y (km/s) 0.121 5.666
    Velocity Z (km/s) 5.786 -2.409

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANQI 25
    Semimajor Axis (a) 7427.126 km 7274.730 km
    Eccentricity (e) 0.026745 0.001284
    Inclination (i) 98.9113° 44.9761°
    RAAN 346.2841° 220.4079°
    Perigee Argument 0.0633° 305.3655°
    Mean Anomaly (M) 0.0499° 54.5977°
    Apogee 1247.630 km 905.936 km
    Perigee 850.348 km 887.250 km
    Orbit Epoch 2026-09-15T12:55:56+0000 2026-09-15T10:09:01+0000

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

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

    FENGYUN 1C DEB & TIANQI 25 Miss Distance (Miss Distance) Trend

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

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data