Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.967754E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T15:57:43+0800
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    1 Object 1

    AOE ID 52672
    NORAD ID 52672
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4073 TIANMU-1 20
    Time of Closest Approach 2026-10-30T20:36:58+0000
    Collision Probability (Pc) 7.967754E-6
    Conjunction Distance (km) 1.379 km
    Relative Speed (km/s) 12.613 km/s
    Conjunction Risk Parameters R (Radial): 0.426 | I (In-track): 0.74 | C (Cross-track): -1.082
    Collision Risk Index (CRI) 0.53
    X Position (km) -1298.21 -1297.674
    Position Y (km) -3940.715 -3941.962
    Position Z (km) 5428.555 5428.313
    Velocity X (km/s) 7.463 -3.405
    Velocity Y (km/s) -1.463 -5.123
    Velocity Z (km/s) 0.722 -4.529

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4073 TIANMU-1 20
    Semimajor Axis (a) 6839.511 km 6840.168 km
    Eccentricity (e) 0.000138 0.000661
    Inclination (i) 53.1607° 97.4573°
    RAAN 185.2416° 59.6496°
    Perigee Argument 55.3868° 194.8727°
    Mean Anomaly (M) 304.7264° 165.2323°
    Apogee 462.316 km 466.551 km
    Perigee 460.432 km 457.511 km
    Orbit Epoch 2026-10-28T05:44:12+0000 2026-10-28T14:51:33+0000

    STARLINK-4073 & TIANMU-1 20 Collision Probability (Pc) Trend

    STARLINK-4073 & TIANMU-1 20 Collision Probability (Pc) TrendNot Available

    STARLINK-4073 & TIANMU-1 20 Miss Distance (Miss Distance) Trend

    STARLINK-4073 & TIANMU-1 20 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4073Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4073Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4073

    No nearby objects data