Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.278035E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T06:24:22+0800
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    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63590
    NORAD ID 63590
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-33805
    Time of Closest Approach 2026-10-25T03:47:36+0000
    Collision Probability (Pc) 4.278035E-6
    Conjunction Distance (km) 1.694 km
    Relative Speed (km/s) 13.436 km/s
    Conjunction Risk Parameters R (Radial): 1.654 | I (In-track): 0.165 | C (Cross-track): -0.328
    Collision Risk Index (CRI) 0.48
    X Position (km) 5133.328 5134.793
    Position Y (km) -2060.887 -2061.152
    Position Z (km) -4062.315 -4063.122
    Velocity X (km/s) 3.693 0.819
    Velocity Y (km/s) -2.747 7.121
    Velocity Z (km/s) 6.072 -2.58

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-33805
    Semimajor Axis (a) 6860.643 km 6861.216 km
    Eccentricity (e) 0.000785 0.000079
    Inclination (i) 97.1348° 43.0018°
    RAAN 332.0392° 111.5497°
    Perigee Argument 8.0350° 98.6212°
    Mean Anomaly (M) 352.1015° 261.4729°
    Apogee 487.891 km 483.624 km
    Perigee 477.121 km 482.534 km
    Orbit Epoch 2026-10-24T07:31:05+0000 2026-10-24T04:46:37+0000

    YAOGAN 21 & STARLINK-33805 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-33805 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-33805 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-33805 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33805Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33805Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data