Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.232096E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:13:26+0800
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    1 Object 1

    AOE ID 51884
    NORAD ID 51884
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53182
    NORAD ID 53182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3577 STARLINK-4278
    Time of Closest Approach 2026-09-04T22:23:09+0000
    Collision Probability (Pc) 1.232096E-6
    Conjunction Distance (km) 2.854 km
    Relative Speed (km/s) 11.473 km/s
    Conjunction Risk Parameters R (Radial): -2.851 | I (In-track): 0.079 | C (Cross-track): 0.089
    Collision Risk Index (CRI) 0.37
    X Position (km) 2861.249 2859.952
    Position Y (km) 5506.841 5504.6
    Position Z (km) 2870.4 2869.202
    Velocity X (km/s) -3.363 -5.592
    Velocity Y (km/s) 4.47 0.183
    Velocity Z (km/s) -5.202 5.203

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3577 STARLINK-4278
    Semimajor Axis (a) 6840.889 km 6837.888 km
    Eccentricity (e) 0.000133 0.000132
    Inclination (i) 53.1587° 53.1600°
    RAAN 266.9202° 52.0375°
    Perigee Argument 96.4576° 85.7532°
    Mean Anomaly (M) 263.6578° 274.3622°
    Apogee 463.664 km 460.654 km
    Perigee 461.840 km 458.848 km
    Orbit Epoch 2026-09-04T01:25:12+0000 2026-09-02T20:15:25+0000

    STARLINK-3577 & STARLINK-4278 Collision Probability (Pc) Trend

    STARLINK-3577 & STARLINK-4278 Collision Probability (Pc) TrendNot Available

    STARLINK-3577 & STARLINK-4278 Miss Distance (Miss Distance) Trend

    STARLINK-3577 & STARLINK-4278 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3577Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4278Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3577Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4278Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3577

    No nearby objects data