Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.199926E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T21:56:08+0800
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    1 Object 1

    AOE ID 48299
    NORAD ID 48299
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52359
    NORAD ID 52359
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2557 STARLINK-3853
    Time of Closest Approach 2026-10-19T12:01:57+0000
    Collision Probability (Pc) 1.199926E-6
    Conjunction Distance (km) 2.936 km
    Relative Speed (km/s) 11.661 km/s
    Conjunction Risk Parameters R (Radial): -2.828 | I (In-track): 0.498 | C (Cross-track): -0.607
    Collision Risk Index (CRI) 0.37
    X Position (km) 690.588 690.092
    Position Y (km) -6315.785 -6318.476
    Position Z (km) 2542.864 2543.926
    Velocity X (km/s) 5.137 4.664
    Velocity Y (km/s) -1.624 2.696
    Velocity Z (km/s) -5.412 5.409

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2557 STARLINK-3853
    Semimajor Axis (a) 6847.839 km 6848.855 km
    Eccentricity (e) 0.000310 0.000097
    Inclination (i) 53.1622° 53.1563°
    RAAN 119.9076° 267.3016°
    Perigee Argument 182.7529° 86.0221°
    Mean Anomaly (M) 177.3456° 274.0891°
    Apogee 471.824 km 471.381 km
    Perigee 467.580 km 470.055 km
    Orbit Epoch 2026-10-18T04:03:33+0000 2026-10-17T16:03:52+0000

    STARLINK-2557 & STARLINK-3853 Collision Probability (Pc) Trend

    STARLINK-2557 & STARLINK-3853 Collision Probability (Pc) TrendNot Available

    STARLINK-2557 & STARLINK-3853 Miss Distance (Miss Distance) Trend

    STARLINK-2557 & STARLINK-3853 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3853Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3853Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2557

    No nearby objects data