Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.176619E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:49:36+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55611
    NORAD ID 55611
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58645
    NORAD ID 58645
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5730 TIANMU-1 11
    Time of Closest Approach 2026-10-21T21:51:21+0000
    Collision Probability (Pc) 4.176619E-6
    Conjunction Distance (km) 1.727 km
    Relative Speed (km/s) 14.131 km/s
    Conjunction Risk Parameters R (Radial): 1.107 | I (In-track): -0.503 | C (Cross-track): 1.226
    Collision Risk Index (CRI) 0.47
    X Position (km) -4231.612 -4231.595
    Position Y (km) 4765.312 4767.027
    Position Z (km) -2546.475 -2546.278
    Velocity X (km/s) -5.644 2.642
    Velocity Y (km/s) -2.684 -1.398
    Velocity Z (km/s) 4.364 -7.009

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5730 TIANMU-1 11
    Semimajor Axis (a) 6861.202 km 6859.720 km
    Eccentricity (e) 0.000120 0.000677
    Inclination (i) 43.0018° 97.3406°
    RAAN 167.3043° 312.8978°
    Perigee Argument 256.1860° 283.9775°
    Mean Anomaly (M) 103.8859° 76.0712°
    Apogee 483.886 km 486.224 km
    Perigee 482.244 km 476.942 km
    Orbit Epoch 2026-10-20T02:03:36+0000 2026-10-20T05:41:04+0000

    STARLINK-5730 & TIANMU-1 11 Collision Probability (Pc) Trend

    STARLINK-5730 & TIANMU-1 11 Collision Probability (Pc) TrendNot Available

    STARLINK-5730 & TIANMU-1 11 Miss Distance (Miss Distance) Trend

    STARLINK-5730 & TIANMU-1 11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5730Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5730Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5730

    No nearby objects data