Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.400767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T18:49:52+0800
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    1 Object 1

    AOE ID 52494
    NORAD ID 52494
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64458
    NORAD ID 64458
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3857 STARLINK-34439
    Time of Closest Approach 2026-09-04T20:01:42+0000
    Collision Probability (Pc) 3.400767E-6
    Conjunction Distance (km) 1.289 km
    Relative Speed (km/s) 2.476 km/s
    Conjunction Risk Parameters R (Radial): -0.141 | I (In-track): 1.264 | C (Cross-track): 0.209
    Collision Risk Index (CRI) 0.46
    X Position (km) 2501.835 2500.761
    Position Y (km) 3315.511 3316.213
    Position Z (km) 5425.735 5425.623
    Velocity X (km/s) -5.425 -6.61
    Velocity Y (km/s) 5.325 3.753
    Velocity Z (km/s) -0.75 0.751

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3857 STARLINK-34439
    Semimajor Axis (a) 6840.884 km 6840.853 km
    Eccentricity (e) 0.000113 0.000065
    Inclination (i) 53.1603° 53.1608°
    RAAN 324.7780° 349.9523°
    Perigee Argument 75.7384° 76.6161°
    Mean Anomaly (M) 284.3744° 283.4914°
    Apogee 463.523 km 463.160 km
    Perigee 461.971 km 462.272 km
    Orbit Epoch 2026-09-01T22:49:26+0000 2026-09-01T13:30:36+0000

    STARLINK-3857 & STARLINK-34439 Collision Probability (Pc) Trend

    STARLINK-3857 & STARLINK-34439 Collision Probability (Pc) TrendNot Available

    STARLINK-3857 & STARLINK-34439 Miss Distance (Miss Distance) Trend

    STARLINK-3857 & STARLINK-34439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3857Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3857Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3857

    No nearby objects data