Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.604601E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T21:17:42+0800
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    1 Object 1

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56345
    NORAD ID 56345
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4253 STARLINK-5979
    Time of Closest Approach 2026-10-21T05:39:28+0000
    Collision Probability (Pc) 1.604601E-6
    Conjunction Distance (km) 2.582 km
    Relative Speed (km/s) 13.969 km/s
    Conjunction Risk Parameters R (Radial): 2.581 | I (In-track): -0.026 | C (Cross-track): 0.045
    Collision Risk Index (CRI) 0.39
    X Position (km) 857.722 857.432
    Position Y (km) -4763.399 -4761.571
    Position Z (km) 4835.605 4833.805
    Velocity X (km/s) 6.879 -2.289
    Velocity Y (km/s) -1.673 4.989
    Velocity Z (km/s) -2.86 5.307

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4253 STARLINK-5979
    Semimajor Axis (a) 6848.863 km 6843.753 km
    Eccentricity (e) 0.000177 0.000154
    Inclination (i) 53.1570° 97.2851°
    RAAN 158.8489° 285.2920°
    Perigee Argument 95.5947° 90.4539°
    Mean Anomaly (M) 264.5256° 269.6881°
    Apogee 471.936 km 466.670 km
    Perigee 469.516 km 464.562 km
    Orbit Epoch 2026-10-19T01:28:04+0000 2026-10-18T22:38:44+0000

    STARLINK-4253 & STARLINK-5979 Collision Probability (Pc) Trend

    STARLINK-4253 & STARLINK-5979 Collision Probability (Pc) TrendNot Available

    STARLINK-4253 & STARLINK-5979 Miss Distance (Miss Distance) Trend

    STARLINK-4253 & STARLINK-5979 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5979Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5979Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4253

    No nearby objects data