Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.571285E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:12:55+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 67881
    NORAD ID 67881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-36808
    Time of Closest Approach 2026-10-21T04:33:28+0000
    Collision Probability (Pc) 6.571285E-6
    Conjunction Distance (km) 1.516 km
    Relative Speed (km/s) 15.117 km/s
    Conjunction Risk Parameters R (Radial): -1.493 | I (In-track): -0.05 | C (Cross-track): -0.255
    Collision Risk Index (CRI) 0.51
    X Position (km) 4124.287 4123.195
    Position Y (km) 4719.225 4718.371
    Position Z (km) 2749.175 2748.562
    Velocity X (km/s) -1.188 2.801
    Velocity Y (km/s) -3.002 1.6
    Velocity Z (km/s) 6.915 -6.92

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-36808
    Semimajor Axis (a) 6840.536 km 6843.579 km
    Eccentricity (e) 0.000593 0.000170
    Inclination (i) 97.4553° 97.2829°
    RAAN 51.2150° 224.5785°
    Perigee Argument 227.1702° 98.4501°
    Mean Anomaly (M) 132.9044° 261.6935°
    Apogee 466.453 km 466.607 km
    Perigee 458.345 km 464.277 km
    Orbit Epoch 2026-10-20T06:32:37+0000 2026-10-20T02:49:23+0000

    TIANMU-1 20 & STARLINK-36808 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-36808 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-36808 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-36808 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36808Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36808Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data