Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.421508E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T07:05:09+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 68767
    NORAD ID 68767
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-37174
    Time of Closest Approach 2026-10-20T08:31:38+0000
    Collision Probability (Pc) 6.421508E-6
    Conjunction Distance (km) 1.403 km
    Relative Speed (km/s) 10.033 km/s
    Conjunction Risk Parameters R (Radial): 0.735 | I (In-track): 0.905 | C (Cross-track): 0.78
    Collision Risk Index (CRI) 0.51
    X Position (km) 212.201 213.356
    Position Y (km) -1145.834 -1145.515
    Position Z (km) 6735.719 6734.991
    Velocity X (km/s) -4.828 -6.511
    Velocity Y (km/s) -5.85 3.892
    Velocity Z (km/s) -0.845 0.866

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-37174
    Semimajor Axis (a) 6840.616 km 6843.662 km
    Eccentricity (e) 0.000583 0.000123
    Inclination (i) 97.4553° 97.2920°
    RAAN 49.5023° 326.0258°
    Perigee Argument 234.1635° 95.2007°
    Mean Anomaly (M) 125.9067° 264.9375°
    Apogee 466.468 km 466.365 km
    Perigee 458.490 km 464.685 km
    Orbit Epoch 2026-10-18T13:51:08+0000 2026-10-18T01:21:12+0000

    TIANMU-1 20 & STARLINK-37174 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-37174 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-37174 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-37174 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37174Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37174Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data