Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.873828E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:25:20+0800
    View CDM
    Download CDM 1.0

    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 2026-10-21T20:41:27+0000
    Collision Probability (Pc) 1.873828E-5
    Conjunction Distance (km) 1.022 km
    Relative Speed (km/s) 9.716 km/s
    Conjunction Risk Parameters R (Radial): -0.624 | I (In-track): -0.625 | C (Cross-track): -0.51
    Collision Risk Index (CRI) 0.6
    X Position (km) 3728.296 3729.298
    Position Y (km) -5330.745 -5330.769
    Position Z (km) 2172.853 2173.046
    Velocity X (km/s) 3.933 5.702
    Velocity Y (km/s) 4.636 2.105
    Velocity Z (km/s) 4.606 -4.606

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5400 STARLINK-35986
    Semimajor Axis (a) 6861.198 km 6861.127 km
    Eccentricity (e) 0.000119 0.000244
    Inclination (i) 43.0011° 43.0032°
    RAAN 298.0315° 162.0199°
    Perigee Argument 269.3374° 266.6002°
    Mean Anomaly (M) 90.7341° 93.4571°
    Apogee 483.875 km 484.661 km
    Perigee 482.247 km 481.319 km
    Orbit Epoch 2026-10-19T08:56:17+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