Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.721815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T00:44:59+0800
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    1 Object 1

    AOE ID 54784
    NORAD ID 54784
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66940
    NORAD ID 66940
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5442 STARLINK-36121
    Time of Closest Approach 2026-09-16T23:25:29+0000
    Collision Probability (Pc) 8.721815E-6
    Conjunction Distance (km) 1.187 km
    Relative Speed (km/s) 6.854 km/s
    Conjunction Risk Parameters R (Radial): -0.604 | I (In-track): -0.91 | C (Cross-track): 0.461
    Collision Risk Index (CRI) 0.54
    X Position (km) 2963.331 2962.288
    Position Y (km) -3499.976 -3500.324
    Position Z (km) 5066.447 5066.001
    Velocity X (km/s) 3.567 6.855
    Velocity Y (km/s) 6.353 2.47
    Velocity Z (km/s) 2.296 -2.296

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5442 STARLINK-36121
    Semimajor Axis (a) 6840.859 km 6840.836 km
    Eccentricity (e) 0.000109 0.000155
    Inclination (i) 53.1603° 53.1573°
    RAAN 267.1836° 199.0582°
    Perigee Argument 81.0921° 88.9580°
    Mean Anomaly (M) 279.0205° 271.1600°
    Apogee 463.467 km 463.761 km
    Perigee 461.977 km 461.637 km
    Orbit Epoch 2026-09-14T05:28:25+0000 2026-09-14T05:17:03+0000

    STARLINK-5442 & STARLINK-36121 Collision Probability (Pc) Trend

    STARLINK-5442 & STARLINK-36121 Collision Probability (Pc) TrendNot Available

    STARLINK-5442 & STARLINK-36121 Miss Distance (Miss Distance) Trend

    STARLINK-5442 & STARLINK-36121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5442Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5442Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5442

    No nearby objects data