Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.552077E-4
    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 55418
    NORAD ID 55418
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-5030
    Time of Closest Approach 2026-11-01T06:01:11+0000
    Collision Probability (Pc) 1.552077E-4
    Conjunction Distance (km) 0.555 km
    Relative Speed (km/s) 14.036 km/s
    Conjunction Risk Parameters R (Radial): 0.392 | I (In-track): 0.152 | C (Cross-track): -0.361
    Collision Risk Index (CRI) 0.79
    X Position (km) 2027.321 2027.427
    Position Y (km) -1600.633 -1600.345
    Position Z (km) 6348.393 6348.855
    Velocity X (km/s) -6.79 6.61
    Velocity Y (km/s) 2.159 3.601
    Velocity Z (km/s) 2.713 -1.201

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-5030
    Semimajor Axis (a) 6860.514 km 6858.768 km
    Eccentricity (e) 0.000709 0.000378
    Inclination (i) 97.1331° 70.0009°
    RAAN 337.4905° 211.4123°
    Perigee Argument 348.4536° 274.3084°
    Mean Anomaly (M) 11.6541° 306.2890°
    Apogee 487.243 km 483.221 km
    Perigee 477.511 km 478.041 km
    Orbit Epoch 2026-10-30T00:16:30+0000 2026-10-29T22:00:02+0000

    YAOGAN 21 & STARLINK-5030 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-5030 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-5030 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-5030 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5030Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5030Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data