Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.671492E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:52:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58783
    NORAD ID 58783
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-31047
    Time of Closest Approach 2026-09-11T08:09:41+0000
    Collision Probability (Pc) 5.671492E-6
    Conjunction Distance (km) 1.575 km
    Relative Speed (km/s) 14.585 km/s
    Conjunction Risk Parameters R (Radial): 0.913 | I (In-track): 0.381 | C (Cross-track): -1.225
    Collision Risk Index (CRI) 0.5
    X Position (km) 5932.602 5932.971
    Position Y (km) 810.33 811.547
    Position Z (km) 3298.086 3299.014
    Velocity X (km/s) -3.468 1.961
    Velocity Y (km/s) -1.615 5.546
    Velocity Z (km/s) 6.614 -4.874

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-31047
    Semimajor Axis (a) 6842.207 km 6840.954 km
    Eccentricity (e) 0.000734 0.000139
    Inclination (i) 97.4518° 53.1598°
    RAAN 11.5120° 220.2241°
    Perigee Argument 29.0182° 86.8373°
    Mean Anomaly (M) 331.1467° 273.2789°
    Apogee 469.095 km 463.766 km
    Perigee 459.045 km 461.868 km
    Orbit Epoch 2026-09-10T22:38:30+0000 2026-09-09T14:53:48+0000

    TIANMU-1 20 & STARLINK-31047 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-31047 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-31047 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-31047 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31047Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31047Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data