Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.511693E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T06:51:11+0800
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    1 Object 1

    AOE ID 33728
    NORAD ID 33728
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 39425
    NORAD ID 39425
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB APRIZESAT 8
    Time of Closest Approach 2026-09-11T08:15:26+0000
    Collision Probability (Pc) 4.511693E-6
    Conjunction Distance (km) 1.692 km
    Relative Speed (km/s) 14.465 km/s
    Conjunction Risk Parameters R (Radial): -1.689 | I (In-track): 0.034 | C (Cross-track): -0.07
    Collision Risk Index (CRI) 0.48
    X Position (km) 3713.229 3714.125
    Position Y (km) 528.541 528.746
    Position Z (km) -5918.854 -5920.274
    Velocity X (km/s) 6.266 -5.829
    Velocity Y (km/s) -1.316 -2.764
    Velocity Z (km/s) 3.928 -3.872

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB APRIZESAT 8
    Semimajor Axis (a) 6958.152 km 6982.992 km
    Eccentricity (e) 0.014113 0.004601
    Inclination (i) 98.9590° 97.8287°
    RAAN 352.1688° 199.7355°
    Perigee Argument 61.6049° 7.3675°
    Mean Anomaly (M) 299.9311° 352.8208°
    Apogee 678.213 km 636.981 km
    Perigee 481.817 km 572.729 km
    Orbit Epoch 2026-09-10T00:24:35+0000 2026-09-10T10:12:13+0000

    FENGYUN 1C DEB & APRIZESAT 8 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & APRIZESAT 8 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & APRIZESAT 8 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & APRIZESAT 8 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    APRIZESAT 8Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    APRIZESAT 8Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data