Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.270768E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:02:33+0800
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    1 Object 1

    AOE ID 54861
    NORAD ID 54861
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66853
    NORAD ID 66853
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5400 STARLINK-35986
    Time of Closest Approach 2026-10-21T17:33:09+0000
    Collision Probability (Pc) 1.270768E-6
    Conjunction Distance (km) 2.615 km
    Relative Speed (km/s) 9.716 km/s
    Conjunction Risk Parameters R (Radial): 0.642 | I (In-track): -1.958 | C (Cross-track): 1.61
    Collision Risk Index (CRI) 0.37
    X Position (km) 3797.772 3796.07
    Position Y (km) -5280.89 -5282.866
    Position Z (km) 2174.193 2174.391
    Velocity X (km/s) 3.872 5.676
    Velocity Y (km/s) 4.688 2.177
    Velocity Z (km/s) 4.605 -4.605

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5400 STARLINK-35986
    Semimajor Axis (a) 6861.202 km 6861.127 km
    Eccentricity (e) 0.000120 0.000244
    Inclination (i) 43.0011° 43.0032°
    RAAN 299.8778° 162.0199°
    Perigee Argument 270.1557° 266.6002°
    Mean Anomaly (M) 89.9157° 93.4571°
    Apogee 483.890 km 484.661 km
    Perigee 482.240 km 481.319 km
    Orbit Epoch 2026-10-19T01:05:30+0000 2026-10-19T00:33:06+0000

    STARLINK-5400 & STARLINK-35986 Collision Probability (Pc) Trend

    STARLINK-5400 & STARLINK-35986 Collision Probability (Pc) TrendNot Available

    STARLINK-5400 & STARLINK-35986 Miss Distance (Miss Distance) Trend

    STARLINK-5400 & STARLINK-35986 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5400Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35986Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5400Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35986Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5400

    No nearby objects data