Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.797463E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:52:18+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 68325
    NORAD ID 68325
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-36309
    Time of Closest Approach 2026-09-12T01:16:37+0000
    Collision Probability (Pc) 1.797463E-6
    Conjunction Distance (km) 2.467 km
    Relative Speed (km/s) 14.773 km/s
    Conjunction Risk Parameters R (Radial): 0.972 | I (In-track): 0.592 | C (Cross-track): -2.188
    Collision Risk Index (CRI) 0.4
    X Position (km) 6668.016 6668.458
    Position Y (km) 1420.267 1422.501
    Position Z (km) 552.308 553.255
    Velocity X (km/s) -0.402 -0.468
    Velocity Y (km/s) -1.101 4.595
    Velocity Z (km/s) 7.548 -6.082

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-36309
    Semimajor Axis (a) 6842.207 km 6840.804 km
    Eccentricity (e) 0.000734 0.000028
    Inclination (i) 97.4518° 53.1640°
    RAAN 11.5120° 202.3764°
    Perigee Argument 29.0182° 270.2600°
    Mean Anomaly (M) 331.1467° 89.8371°
    Apogee 469.095 km 462.862 km
    Perigee 459.045 km 462.472 km
    Orbit Epoch 2026-09-10T22:38:30+0000 2026-09-10T14:07:52+0000

    TIANMU-1 20 & STARLINK-36309 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-36309 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-36309 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-36309 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36309Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36309Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data