Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.39465E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:13:21+0800
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    1 Object 1

    AOE ID 53057
    NORAD ID 53057
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63584
    NORAD ID 63584
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4252 STARLINK-33820
    Time of Closest Approach 2026-09-07T20:29:50+0000
    Collision Probability (Pc) 5.39465E-6
    Conjunction Distance (km) 1.446 km
    Relative Speed (km/s) 9.012 km/s
    Conjunction Risk Parameters R (Radial): 0.273 | I (In-track): 1.144 | C (Cross-track): -0.842
    Collision Risk Index (CRI) 0.5
    X Position (km) 2663.743 2662.928
    Position Y (km) 4930.21 4930.078
    Position Z (km) 3949.421 3950.608
    Velocity X (km/s) -1.027 -6.94
    Velocity Y (km/s) -4.389 1.515
    Velocity Z (km/s) 6.152 2.779

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4252 STARLINK-33820
    Semimajor Axis (a) 6871.158 km 6861.154 km
    Eccentricity (e) 0.000153 0.000113
    Inclination (i) 97.2859° 43.0028°
    RAAN 64.0091° 31.7354°
    Perigee Argument 86.4942° 224.9080°
    Mean Anomaly (M) 117.9784° 135.1680°
    Apogee 494.071 km 483.795 km
    Perigee 491.971 km 482.239 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T10:38:52+0000

    STARLINK-4252 & STARLINK-33820 Collision Probability (Pc) Trend

    STARLINK-4252 & STARLINK-33820 Collision Probability (Pc) TrendNot Available

    STARLINK-4252 & STARLINK-33820 Miss Distance (Miss Distance) Trend

    STARLINK-4252 & STARLINK-33820 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4252Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33820Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4252Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4252

    No nearby objects data