Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.153263E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T10:31:08+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69949
    NORAD ID 69949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-37923
    Time of Closest Approach 2026-10-13T04:45:25+0000
    Collision Probability (Pc) 2.153263E-6
    Conjunction Distance (km) 2.254 km
    Relative Speed (km/s) 14.763 km/s
    Conjunction Risk Parameters R (Radial): -1.116 | I (In-track): -0.485 | C (Cross-track): -1.895
    Collision Risk Index (CRI) 0.42
    X Position (km) -4955.218 -4955.712
    Position Y (km) -4661.575 -4659.546
    Position Z (km) -741.614 -740.768
    Velocity X (km/s) -0.087 2.678
    Velocity Y (km/s) 1.285 -3.801
    Velocity Z (km/s) -7.524 6.056

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-37923
    Semimajor Axis (a) 6840.942 km 6840.927 km
    Eccentricity (e) 0.000552 0.000109
    Inclination (i) 97.4557° 53.1577°
    RAAN 43.1786° 232.7861°
    Perigee Argument 260.7647° 72.2859°
    Mean Anomaly (M) 99.2972° 287.8263°
    Apogee 466.578 km 463.539 km
    Perigee 459.032 km 462.041 km
    Orbit Epoch 2026-10-12T07:36:02+0000 2026-10-12T03:46:42+0000

    TIANMU-1 20 & STARLINK-37923 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-37923 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-37923 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-37923 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37923Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37923Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data