Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.454689E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:31:43+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 62742
    NORAD ID 62742
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-32775
    Time of Closest Approach 2026-10-29T10:17:43+0000
    Collision Probability (Pc) 8.454689E-6
    Conjunction Distance (km) 1.28 km
    Relative Speed (km/s) 9.527 km/s
    Conjunction Risk Parameters R (Radial): 0.646 | I (In-track): 0.867 | C (Cross-track): -0.685
    Collision Risk Index (CRI) 0.54
    X Position (km) 4737.839 4738.024
    Position Y (km) -2592.088 -2591.573
    Position Z (km) 4221.026 4222.182
    Velocity X (km/s) -4.651 1.867
    Velocity Y (km/s) 1.174 7.052
    Velocity Z (km/s) 5.932 2.229

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-32775
    Semimajor Axis (a) 6860.587 km 6861.079 km
    Eccentricity (e) 0.000749 0.000097
    Inclination (i) 97.1334° 42.9984°
    RAAN 334.8590° 288.0211°
    Perigee Argument 358.0368° 295.0318°
    Mean Anomaly (M) 2.0841° 65.0433°
    Apogee 487.592 km 483.610 km
    Perigee 477.308 km 482.274 km
    Orbit Epoch 2026-10-27T06:15:18+0000 2026-10-26T23:57:14+0000

    YAOGAN 21 & STARLINK-32775 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-32775 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-32775 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-32775 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32775Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32775Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data