Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.546095E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:35:30+0800
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    1 Object 1

    AOE ID 59351
    NORAD ID 59351
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66440
    NORAD ID 66440
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31555 STARLINK-35405
    Time of Closest Approach 2026-10-23T07:08:40+0000
    Collision Probability (Pc) 4.546095E-7
    Conjunction Distance (km) 2.629 km
    Relative Speed (km/s) 1.302 km/s
    Conjunction Risk Parameters R (Radial): -0.274 | I (In-track): -2.604 | C (Cross-track): 0.222
    Collision Risk Index (CRI) 0.28
    X Position (km) 4439.814 4438.398
    Position Y (km) -2384.96 -2387.167
    Position Z (km) -4659.707 -4659.522
    Velocity X (km/s) 3.982 3.206
    Velocity Y (km/s) 6.477 6.894
    Velocity Z (km/s) 0.479 -0.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31555 STARLINK-35405
    Semimajor Axis (a) 6861.203 km 6861.159 km
    Eccentricity (e) 0.000104 0.000119
    Inclination (i) 43.0026° 43.0018°
    RAAN 71.0818° 85.0823°
    Perigee Argument 268.9317° 268.8326°
    Mean Anomaly (M) 91.1415° 91.2389°
    Apogee 483.781 km 483.841 km
    Perigee 482.351 km 482.203 km
    Orbit Epoch 2026-10-20T08:53:48+0000 2026-10-20T10:30:51+0000

    STARLINK-31555 & STARLINK-35405 Collision Probability (Pc) Trend

    STARLINK-31555 & STARLINK-35405 Collision Probability (Pc) TrendNot Available

    STARLINK-31555 & STARLINK-35405 Miss Distance (Miss Distance) Trend

    STARLINK-31555 & STARLINK-35405 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31555Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31555Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31555

    No nearby objects data