Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.351676E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:19:29+0800
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    1 Object 1

    AOE ID 54799
    NORAD ID 54799
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58754
    NORAD ID 58754
    Object Type ROCKET BODY
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5421 CZ-2C R/B
    Time of Closest Approach 2026-09-04T09:42:03+0000
    Collision Probability (Pc) 1.351676E-6
    Conjunction Distance (km) 2.547 km
    Relative Speed (km/s) 10.03 km/s
    Conjunction Risk Parameters R (Radial): 1.208 | I (In-track): -1.69 | C (Cross-track): -1.471
    Collision Risk Index (CRI) 0.38
    X Position (km) -2592.481 -2590.909
    Position Y (km) 6327.115 6329.058
    Position Z (km) 92.917 93.405
    Velocity X (km/s) -4.27 -6.137
    Velocity Y (km/s) -1.653 -2.596
    Velocity Z (km/s) -6.113 3.695

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5421 CZ-2C R/B
    Semimajor Axis (a) 6837.836 km 6807.093 km
    Eccentricity (e) 0.000043 0.005877
    Inclination (i) 53.1606° 29.0078°
    RAAN 301.5519° 128.3646°
    Perigee Argument 220.9821° 123.0555°
    Mean Anomaly (M) 139.1150° 237.5717°
    Apogee 459.991 km 468.963 km
    Perigee 459.407 km 388.949 km
    Orbit Epoch 2026-09-02T13:11:01+0000 2026-09-01T21:16:05+0000

    STARLINK-5421 & CZ-2C R/B Collision Probability (Pc) Trend

    STARLINK-5421 & CZ-2C R/B Collision Probability (Pc) TrendNot Available

    STARLINK-5421 & CZ-2C R/B Miss Distance (Miss Distance) Trend

    STARLINK-5421 & CZ-2C R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-2C R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5421Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5421

    No nearby objects data