Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.17943E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:13:59+0800
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    1 Object 1

    AOE ID 55478
    NORAD ID 55478
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-5691 TIANMU-1 13
    Time of Closest Approach 2026-10-21T06:36:14+0000
    Collision Probability (Pc) 5.17943E-6
    Conjunction Distance (km) 1.614 km
    Relative Speed (km/s) 14.309 km/s
    Conjunction Risk Parameters R (Radial): 1.25 | I (In-track): -0.341 | C (Cross-track): 0.963
    Collision Risk Index (CRI) 0.49
    X Position (km) -4795.71 -4795.89
    Position Y (km) 4752.083 4753.526
    Position Z (km) 1214.424 1215.124
    Velocity X (km/s) -3.342 -0.259
    Velocity Y (km/s) -4.664 1.65
    Velocity Z (km/s) 5.024 -7.44

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5691 TIANMU-1 13
    Semimajor Axis (a) 6861.214 km 6860.711 km
    Eccentricity (e) 0.000140 0.000453
    Inclination (i) 43.0015° 97.3422°
    RAAN 132.2754° 312.9912°
    Perigee Argument 264.9798° 236.7222°
    Mean Anomaly (M) 95.0894° 123.3584°
    Apogee 484.038 km 485.682 km
    Perigee 482.116 km 479.466 km
    Orbit Epoch 2026-10-19T20:00:52+0000 2026-10-20T07:51:23+0000

    STARLINK-5691 & TIANMU-1 13 Collision Probability (Pc) Trend

    STARLINK-5691 & TIANMU-1 13 Collision Probability (Pc) TrendNot Available

    STARLINK-5691 & TIANMU-1 13 Miss Distance (Miss Distance) Trend

    STARLINK-5691 & TIANMU-1 13 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5691Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5691Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5691

    No nearby objects data