Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.519062E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T00:50:33+0800
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    1 Object 1

    AOE ID 30533
    NORAD ID 30533
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 41785
    NORAD ID 41785
    Object Type PAYLOAD
    Country
    DZ DZ

    Conjunction Constraints

    Parameter FENGYUN 1C DEB ALSAT 1B
    Time of Closest Approach 2026-10-26T17:21:03+0000
    Collision Probability (Pc) 1.519062E-6
    Conjunction Distance (km) 2.702 km
    Relative Speed (km/s) 14.404 km/s
    Conjunction Risk Parameters R (Radial): -0.738 | I (In-track): 0.75 | C (Cross-track): -2.488
    Collision Risk Index (CRI) 0.39
    X Position (km) -1139.605 -1142.193
    Position Y (km) 3309.025 3308.56
    Position Z (km) -6105.753 -6106.372
    Velocity X (km/s) 0.174 3.981
    Velocity Y (km/s) 6.656 -5.26
    Velocity Z (km/s) 3.535 -3.604

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB ALSAT 1B
    Semimajor Axis (a) 7069.418 km 7031.691 km
    Eccentricity (e) 0.007278 0.000962
    Inclination (i) 98.8458° 97.7788°
    RAAN 91.7948° 302.4091°
    Perigee Argument 261.5038° 156.2911°
    Mean Anomaly (M) 127.8163° 203.8743°
    Apogee 742.732 km 660.316 km
    Perigee 639.830 km 646.792 km
    Orbit Epoch 2026-10-25T08:53:06+0000 2026-10-26T06:28:26+0000

    FENGYUN 1C DEB & ALSAT 1B Collision Probability (Pc) Trend

    FENGYUN 1C DEB & ALSAT 1B Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & ALSAT 1B Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & ALSAT 1B Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALSAT 1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ALSAT 1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data