Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.317899E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:20:46+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 52998
    NORAD ID 52998
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TANSUO 1 STARLINK-4254
    Time of Closest Approach 2026-09-06T08:29:25+0000
    Collision Probability (Pc) 1.317899E-4
    Conjunction Distance (km) 0.484 km
    Relative Speed (km/s) 6.129 km/s
    Conjunction Risk Parameters R (Radial): 0.322 | I (In-track): -0.329 | C (Cross-track): 0.148
    Collision Risk Index (CRI) 0.77
    X Position (km) 5915.245 5915.384
    Position Y (km) -2711.374 -2711.547
    Position Z (km) -2120.013 -2120.443
    Velocity X (km/s) 1.66 3.669
    Velocity Y (km/s) -1.968 3.611
    Velocity Z (km/s) 7.183 5.635

    Orbital Parameters 国际轨道数据源

    Parameter TANSUO 1 STARLINK-4254
    Semimajor Axis (a) 6837.205 km 6840.858 km
    Eccentricity (e) 0.000662 0.000110
    Inclination (i) 97.8639° 53.1611°
    RAAN 329.9463° 1.3727°
    Perigee Argument 100.9046° 79.4405°
    Mean Anomaly (M) 259.2942° 280.6721°
    Apogee 463.597 km 463.472 km
    Perigee 454.539 km 461.970 km
    Orbit Epoch 2026-09-03T16:27:05+0000 2026-09-03T19:37:21+0000

    TANSUO 1 & STARLINK-4254 Collision Probability (Pc) Trend

    TANSUO 1 & STARLINK-4254 Collision Probability (Pc) TrendNot Available

    TANSUO 1 & STARLINK-4254 Miss Distance (Miss Distance) Trend

    TANSUO 1 & STARLINK-4254 Miss Distance (Miss Distance) TrendNot Available

    TANSUO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4254Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TANSUO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4254Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TANSUO 1

    No nearby objects data