Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.552106E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T13:01:35+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 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TANSUO 1 STARLINK-4517
    Time of Closest Approach 2026-10-16T09:17:35+0000
    Collision Probability (Pc) 1.552106E-5
    Conjunction Distance (km) 1.174 km
    Relative Speed (km/s) 14.771 km/s
    Conjunction Risk Parameters R (Radial): 0.032 | I (In-track): 0.292 | C (Cross-track): 1.137
    Collision Risk Index (CRI) 0.59
    X Position (km) -6552.076 -6551.772
    Position Y (km) -1674.898 -1675.94
    Position Z (km) -1026.12 -1026.566
    Velocity X (km/s) 0.833 0.271
    Velocity Y (km/s) 1.302 -4.709
    Velocity Z (km/s) -7.476 6.005

    Orbital Parameters 国际轨道数据源

    Parameter TANSUO 1 STARLINK-4517
    Semimajor Axis (a) 6834.244 km 6837.882 km
    Eccentricity (e) 0.000419 0.000134
    Inclination (i) 97.8617° 53.1582°
    RAAN 14.5998° 205.1425°
    Perigee Argument 322.0198° 100.4114°
    Mean Anomaly (M) 38.0749° 259.7041°
    Apogee 458.969 km 460.664 km
    Perigee 453.245 km 458.826 km
    Orbit Epoch 2026-10-15T12:09:28+0000 2026-10-15T11:28:08+0000

    TANSUO 1 & STARLINK-4517 Collision Probability (Pc) Trend

    TANSUO 1 & STARLINK-4517 Collision Probability (Pc) TrendNot Available

    TANSUO 1 & STARLINK-4517 Miss Distance (Miss Distance) Trend

    TANSUO 1 & STARLINK-4517 Miss Distance (Miss Distance) TrendNot Available

    TANSUO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TANSUO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TANSUO 1

    No nearby objects data