Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.348471E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T08:39:23+0800
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    1 Object 1

    AOE ID 55587
    NORAD ID 55587
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58703
    NORAD ID 58703
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5727 TIANMU-1 18
    Time of Closest Approach 2026-09-06T05:44:28+0000
    Collision Probability (Pc) 9.348471E-6
    Conjunction Distance (km) 1.17 km
    Relative Speed (km/s) 7.059 km/s
    Conjunction Risk Parameters R (Radial): 1.133 | I (In-track): -0.258 | C (Cross-track): -0.134
    Collision Risk Index (CRI) 0.54
    X Position (km) 1830.579 1830.989
    Position Y (km) 6540.648 6541.738
    Position Z (km) 963.674 963.562
    Velocity X (km/s) -5.619 0.674
    Velocity Y (km/s) 0.817 -1.304
    Velocity Z (km/s) 5.091 7.483

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5727 TIANMU-1 18
    Semimajor Axis (a) 6861.193 km 6861.813 km
    Eccentricity (e) 0.000132 0.000631
    Inclination (i) 43.0022° 97.4670°
    RAAN 69.3135° 75.0345°
    Perigee Argument 267.6102° 62.0372°
    Mean Anomaly (M) 92.4599° 298.1504°
    Apogee 483.964 km 488.005 km
    Perigee 482.148 km 479.347 km
    Orbit Epoch 2026-09-05T13:59:48+0000 2026-09-05T20:16:18+0000

    STARLINK-5727 & TIANMU-1 18 Collision Probability (Pc) Trend

    STARLINK-5727 & TIANMU-1 18 Collision Probability (Pc) TrendNot Available

    STARLINK-5727 & TIANMU-1 18 Miss Distance (Miss Distance) Trend

    STARLINK-5727 & TIANMU-1 18 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5727Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5727

    No nearby objects data