Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.260552E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:55:13+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 2026-10-21T18:12:29+0000
    Collision Probability (Pc) 1.260552E-6
    Conjunction Distance (km) 2.339 km
    Relative Speed (km/s) 6.854 km/s
    Conjunction Risk Parameters R (Radial): -0.32 | I (In-track): 2.071 | C (Cross-track): -1.038
    Collision Risk Index (CRI) 0.37
    X Position (km) -3874.261 -3875.319
    Position Y (km) 2455.527 2453.455
    Position Z (km) 5065.628 5065.392
    Velocity X (km/s) -1.505 -5.801
    Velocity Y (km/s) -7.128 -4.408
    Velocity Z (km/s) 2.298 -2.297

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5442 STARLINK-36121
    Semimajor Axis (a) 6840.872 km 6840.849 km
    Eccentricity (e) 0.000113 0.000097
    Inclination (i) 53.1582° 53.1535°
    RAAN 102.1511° 33.7202°
    Perigee Argument 87.6446° 91.6539°
    Mean Anomaly (M) 272.4686° 268.4575°
    Apogee 463.511 km 463.379 km
    Perigee 461.959 km 462.045 km
    Orbit Epoch 2026-10-19T12:45:47+0000 2026-10-19T14:08:13+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