Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.218091E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T12:44:43+0800
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    1 Object 1

    AOE ID 30888
    NORAD ID 30888
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 48863
    NORAD ID 48863
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB YAOGAN-30 AC
    Time of Closest Approach 2026-10-22T12:10:34+0000
    Collision Probability (Pc) 2.218091E-6
    Conjunction Distance (km) 2.117 km
    Relative Speed (km/s) 12.314 km/s
    Conjunction Risk Parameters R (Radial): 1.877 | I (In-track): 0.578 | C (Cross-track): 0.791
    Collision Risk Index (CRI) 0.42
    X Position (km) -5676.829 -5678.851
    Position Y (km) 692.146 691.728
    Position Z (km) 3911.623 3912.086
    Velocity X (km/s) -3.951 -0.393
    Velocity Y (km/s) 2.006 -7.538
    Velocity Z (km/s) -6.163 0.756

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB YAOGAN-30 AC
    Semimajor Axis (a) 6939.700 km 6935.254 km
    Eccentricity (e) 0.006909 0.000334
    Inclination (i) 99.4695° 34.9945°
    RAAN 345.1614° 99.3778°
    Perigee Argument 228.3974° 207.8848°
    Mean Anomaly (M) 131.1311° 152.1682°
    Apogee 609.512 km 559.431 km
    Perigee 513.614 km 554.803 km
    Orbit Epoch 2026-10-21T09:56:28+0000 2026-10-21T19:52:54+0000

    FENGYUN 1C DEB & YAOGAN-30 AC Collision Probability (Pc) Trend

    FENGYUN 1C DEB & YAOGAN-30 AC Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & YAOGAN-30 AC Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & YAOGAN-30 AC Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 ACMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 ACCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data