Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.54949E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T02:05:05+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58647
    NORAD ID 58647
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59459
    NORAD ID 59459
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 13 STARLINK-31631
    Time of Closest Approach 2026-09-15T01:52:35+0000
    Collision Probability (Pc) 1.54949E-6
    Conjunction Distance (km) 2.572 km
    Relative Speed (km/s) 13.022 km/s
    Conjunction Risk Parameters R (Radial): -2.491 | I (In-track): 0.334 | C (Cross-track): -0.542
    Collision Risk Index (CRI) 0.39
    X Position (km) 1316.287 1316.34
    Position Y (km) -5110.633 -5108.919
    Position Z (km) -4392.589 -4390.673
    Velocity X (km/s) -0.03 6.647
    Velocity Y (km/s) -4.962 3.258
    Velocity Z (km/s) 5.777 -1.799

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 13 STARLINK-31631
    Semimajor Axis (a) 6861.681 km 6861.194 km
    Eccentricity (e) 0.000704 0.000122
    Inclination (i) 97.3446° 43.0039°
    RAAN 275.5780° 59.9268°
    Perigee Argument 36.5830° 269.5441°
    Mean Anomaly (M) 323.5889° 90.5270°
    Apogee 488.378 km 483.897 km
    Perigee 478.710 km 482.217 km
    Orbit Epoch 2026-09-12T08:00:58+0000 2026-09-11T18:19:29+0000

    TIANMU-1 13 & STARLINK-31631 Collision Probability (Pc) Trend

    TIANMU-1 13 & STARLINK-31631 Collision Probability (Pc) TrendNot Available

    TIANMU-1 13 & STARLINK-31631 Miss Distance (Miss Distance) Trend

    TIANMU-1 13 & STARLINK-31631 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31631Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31631Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 13

    No nearby objects data