Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.856854E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:21:37+0800
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    1 Object 1

    AOE ID 58646
    NORAD ID 58646
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59544
    NORAD ID 59544
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31556
    Time of Closest Approach 2026-09-12T12:33:54+0000
    Collision Probability (Pc) 1.856854E-6
    Conjunction Distance (km) 2.247 km
    Relative Speed (km/s) 11.464 km/s
    Conjunction Risk Parameters R (Radial): -2.244 | I (In-track): 0.062 | C (Cross-track): 0.083
    Collision Risk Index (CRI) 0.4
    X Position (km) -1073.818 -1073.547
    Position Y (km) 4905.335 4903.765
    Position Z (km) 4670.645 4669.062
    Velocity X (km/s) 0.204 -7.493
    Velocity Y (km/s) 5.291 -1.399
    Velocity Z (km/s) -5.486 -0.251

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31556
    Semimajor Axis (a) 6861.700 km 6861.242 km
    Eccentricity (e) 0.000896 0.000216
    Inclination (i) 97.3423° 43.0090°
    RAAN 273.3070° 26.0084°
    Perigee Argument 57.0049° 291.4228°
    Mean Anomaly (M) 303.2049° 68.6394°
    Apogee 489.709 km 484.585 km
    Perigee 477.417 km 481.625 km
    Orbit Epoch 2026-09-10T08:05:04+0000 2026-09-09T10:24:16+0000

    TIANMU-1 12 & STARLINK-31556 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31556 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31556 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31556 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data