Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.917383E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T03:57:29+0800
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    1 Object 1

    AOE ID 28220
    NORAD ID 28220
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 52704
    NORAD ID 52704
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TANSUO 1 STARLINK-3999
    Time of Closest Approach 2026-10-14T02:41:47+0000
    Collision Probability (Pc) 3.917383E-5
    Conjunction Distance (km) 0.894 km
    Relative Speed (km/s) 14.52 km/s
    Conjunction Risk Parameters R (Radial): 0.619 | I (In-track): -0.208 | C (Cross-track): -0.61
    Collision Risk Index (CRI) 0.67
    X Position (km) -5728.271 -5729.029
    Position Y (km) -816.051 -815.584
    Position Z (km) -3651.252 -3651.324
    Velocity X (km/s) 3.803 -2.078
    Velocity Y (km/s) 1.788 -5.76
    Velocity Z (km/s) -6.367 4.553

    Orbital Parameters 国际轨道数据源

    Parameter TANSUO 1 STARLINK-3999
    Semimajor Axis (a) 6834.445 km 6837.906 km
    Eccentricity (e) 0.000431 0.000119
    Inclination (i) 97.8624° 53.1591°
    RAAN 12.1650° 220.8730°
    Perigee Argument 331.4355° 88.7903°
    Mean Anomaly (M) 28.6651° 271.3237°
    Apogee 459.256 km 460.586 km
    Perigee 453.360 km 458.952 km
    Orbit Epoch 2026-10-13T05:27:22+0000 2026-10-13T03:26:40+0000

    TANSUO 1 & STARLINK-3999 Collision Probability (Pc) Trend

    TANSUO 1 & STARLINK-3999 Collision Probability (Pc) TrendNot Available

    TANSUO 1 & STARLINK-3999 Miss Distance (Miss Distance) Trend

    TANSUO 1 & STARLINK-3999 Miss Distance (Miss Distance) TrendNot Available

    TANSUO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TANSUO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TANSUO 1

    No nearby objects data