Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.059069E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:15:19+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 55488
    NORAD ID 55488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-5706
    Time of Closest Approach 2026-10-30T15:48:40+0000
    Collision Probability (Pc) 1.059069E-5
    Conjunction Distance (km) 1.269 km
    Relative Speed (km/s) 12.625 km/s
    Conjunction Risk Parameters R (Radial): 0.177 | I (In-track): 0.699 | C (Cross-track): -1.044
    Collision Risk Index (CRI) 0.55
    X Position (km) 4951.106 4952.029
    Position Y (km) -1375.383 -1374.691
    Position Z (km) -4549.037 -4548.509
    Velocity X (km/s) 4.456 0.951
    Velocity Y (km/s) -2.549 7.46
    Velocity Z (km/s) 5.629 -1.219

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-5706
    Semimajor Axis (a) 6860.514 km 6861.263 km
    Eccentricity (e) 0.000709 0.000211
    Inclination (i) 97.1331° 43.0029°
    RAAN 337.4905° 96.9345°
    Perigee Argument 348.4536° 277.9335°
    Mean Anomaly (M) 11.6541° 212.5845°
    Apogee 487.243 km 484.577 km
    Perigee 477.511 km 481.675 km
    Orbit Epoch 2026-10-30T00:16:30+0000 2026-10-29T22:00:02+0000

    YAOGAN 21 & STARLINK-5706 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-5706 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-5706 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-5706 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5706Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5706Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data