Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.649681E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T21:01:54+0800
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    1 Object 1

    AOE ID 57823
    NORAD ID 57823
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30407 TIANMU-1 17
    Time of Closest Approach 2026-09-01T21:30:23+0000
    Collision Probability (Pc) 7.649681E-6
    Conjunction Distance (km) 1.421 km
    Relative Speed (km/s) 13.789 km/s
    Conjunction Risk Parameters R (Radial): 0.917 | I (In-track): -0.456 | C (Cross-track): 0.985
    Collision Risk Index (CRI) 0.53
    X Position (km) -1457.893 -1458.872
    Position Y (km) -5637.647 -5637.861
    Position Z (km) 3619.975 3620.982
    Velocity X (km/s) 6.873 -2.129
    Velocity Y (km/s) 0.341 -3.573
    Velocity Z (km/s) 3.29 -6.393

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30407 TIANMU-1 17
    Semimajor Axis (a) 6861.198 km 6861.616 km
    Eccentricity (e) 0.000068 0.000703
    Inclination (i) 43.0013° 97.4654°
    RAAN 218.8826° 70.1985°
    Perigee Argument 208.3095° 89.1079°
    Mean Anomaly (M) 151.7719° 271.0965°
    Apogee 483.530 km 488.302 km
    Perigee 482.592 km 478.656 km
    Orbit Epoch 2026-08-31T23:18:56+0000 2026-09-01T06:42:44+0000

    STARLINK-30407 & TIANMU-1 17 Collision Probability (Pc) Trend

    STARLINK-30407 & TIANMU-1 17 Collision Probability (Pc) TrendNot Available

    STARLINK-30407 & TIANMU-1 17 Miss Distance (Miss Distance) Trend

    STARLINK-30407 & TIANMU-1 17 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30407Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30407Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30407

    No nearby objects data