Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.358713E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:51:45+0800
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    1 Object 1

    AOE ID 49430
    NORAD ID 49430
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52863
    NORAD ID 52863
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3138 STARLINK-4270
    Time of Closest Approach 2026-09-06T09:09:32+0000
    Collision Probability (Pc) 1.358713E-6
    Conjunction Distance (km) 2.708 km
    Relative Speed (km/s) 11.961 km/s
    Conjunction Risk Parameters R (Radial): 2.515 | I (In-track): -0.63 | C (Cross-track): -0.782
    Collision Risk Index (CRI) 0.38
    X Position (km) 2824.736 2824.866
    Position Y (km) -5955.031 -5957.65
    Position Z (km) 1825.708 1826.385
    Velocity X (km/s) 4.98 3.604
    Velocity Y (km/s) 0.586 3.485
    Velocity Z (km/s) -5.762 5.761

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3138 STARLINK-4270
    Semimajor Axis (a) 6840.884 km 6843.364 km
    Eccentricity (e) 0.000116 0.000114
    Inclination (i) 53.1592° 53.1590°
    RAAN 138.7684° 291.9206°
    Perigee Argument 88.8170° 80.2825°
    Mean Anomaly (M) 271.2965° 279.8305°
    Apogee 463.540 km 466.007 km
    Perigee 461.954 km 464.447 km
    Orbit Epoch 2026-09-03T22:37:20+0000 2026-09-04T13:16:45+0000

    STARLINK-3138 & STARLINK-4270 Collision Probability (Pc) Trend

    STARLINK-3138 & STARLINK-4270 Collision Probability (Pc) TrendNot Available

    STARLINK-3138 & STARLINK-4270 Miss Distance (Miss Distance) Trend

    STARLINK-3138 & STARLINK-4270 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3138Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4270Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3138Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4270Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3138

    No nearby objects data