Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.683979E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T08:37:26+0800
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    1 Object 1

    AOE ID 53664
    NORAD ID 53664
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65687
    NORAD ID 65687
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4471 STARLINK-34856
    Time of Closest Approach 2026-09-16T08:46:16+0000
    Collision Probability (Pc) 9.683979E-7
    Conjunction Distance (km) 2.864 km
    Relative Speed (km/s) 7.553 km/s
    Conjunction Risk Parameters R (Radial): 2.781 | I (In-track): 0.591 | C (Cross-track): 0.345
    Collision Risk Index (CRI) 0.35
    X Position (km) 4222.34 4224.519
    Position Y (km) -3296.278 -3297.67
    Position Z (km) 4253.81 4255.039
    Velocity X (km/s) 2.94 6.009
    Velocity Y (km/s) -3.863 2.726
    Velocity Z (km/s) -5.893 -3.841

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4471 STARLINK-34856
    Semimajor Axis (a) 6843.698 km 6848.864 km
    Eccentricity (e) 0.000173 0.000153
    Inclination (i) 97.2838° 53.1564°
    RAAN 135.4594° 182.6195°
    Perigee Argument 90.8872° 83.8859°
    Mean Anomaly (M) 269.2570° 276.2317°
    Apogee 466.748 km 471.775 km
    Perigee 464.374 km 469.679 km
    Orbit Epoch 2026-09-15T14:55:51+0000 2026-09-15T11:51:11+0000

    STARLINK-4471 & STARLINK-34856 Collision Probability (Pc) Trend

    STARLINK-4471 & STARLINK-34856 Collision Probability (Pc) TrendNot Available

    STARLINK-4471 & STARLINK-34856 Miss Distance (Miss Distance) Trend

    STARLINK-4471 & STARLINK-34856 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4471Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34856Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4471Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34856Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4471

    No nearby objects data