Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.60546E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T17:22:58+0800
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    1 Object 1

    AOE ID 49744
    NORAD ID 49744
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53497
    NORAD ID 53497
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3231 STARLINK-4453
    Time of Closest Approach 2026-10-28T16:32:58+0000
    Collision Probability (Pc) 1.60546E-6
    Conjunction Distance (km) 2.475 km
    Relative Speed (km/s) 12.349 km/s
    Conjunction Risk Parameters R (Radial): -2.32 | I (In-track): -0.512 | C (Cross-track): 0.691
    Collision Risk Index (CRI) 0.39
    X Position (km) -1760.963 -1760.673
    Position Y (km) -3729.537 -3727.566
    Position Z (km) 5457.481 5456.012
    Velocity X (km/s) 7.131 -3.998
    Velocity Y (km/s) -2.687 -4.702
    Velocity Z (km/s) 0.463 -4.493

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3231 STARLINK-4453
    Semimajor Axis (a) 6848.880 km 6843.871 km
    Eccentricity (e) 0.000169 0.000108
    Inclination (i) 53.1600° 97.2895°
    RAAN 170.2354° 53.2028°
    Perigee Argument 102.0374° 170.1130°
    Mean Anomaly (M) 258.0817° 190.0134°
    Apogee 471.902 km 466.474 km
    Perigee 469.584 km 464.994 km
    Orbit Epoch 2026-10-26T21:53:43+0000 2026-10-26T21:42:48+0000

    STARLINK-3231 & STARLINK-4453 Collision Probability (Pc) Trend

    STARLINK-3231 & STARLINK-4453 Collision Probability (Pc) TrendNot Available

    STARLINK-3231 & STARLINK-4453 Miss Distance (Miss Distance) Trend

    STARLINK-3231 & STARLINK-4453 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4453Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4453Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3231

    No nearby objects data