Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.221311E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T19:15:44+0800
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    1 Object 1

    AOE ID 47816
    NORAD ID 47816
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48299
    NORAD ID 48299
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2399 STARLINK-2557
    Time of Closest Approach 2026-10-29T06:00:48+0000
    Collision Probability (Pc) 1.221311E-6
    Conjunction Distance (km) 2.959 km
    Relative Speed (km/s) 12.232 km/s
    Conjunction Risk Parameters R (Radial): -2.493 | I (In-track): 0.957 | C (Cross-track): -1.273
    Collision Risk Index (CRI) 0.37
    X Position (km) -2414.205 -2411.834
    Position Y (km) -6385.896 -6384.128
    Position Z (km) -232.866 -232.779
    Velocity X (km/s) 4.215 4.359
    Velocity Y (km/s) -1.809 -1.431
    Velocity Z (km/s) 6.112 -6.113

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2399 STARLINK-2557
    Semimajor Axis (a) 6830.366 km 6826.957 km
    Eccentricity (e) 0.000124 0.000109
    Inclination (i) 53.1598° 53.1603°
    RAAN 258.2031° 74.1210°
    Perigee Argument 75.8215° 29.4338°
    Mean Anomaly (M) 147.3701° 317.9439°
    Apogee 453.076 km 449.563 km
    Perigee 451.382 km 448.077 km
    Orbit Epoch 2026-10-27T16:00:03+0000 2026-10-27T22:00:02+0000

    STARLINK-2399 & STARLINK-2557 Collision Probability (Pc) Trend

    STARLINK-2399 & STARLINK-2557 Collision Probability (Pc) TrendNot Available

    STARLINK-2399 & STARLINK-2557 Miss Distance (Miss Distance) Trend

    STARLINK-2399 & STARLINK-2557 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2399

    No nearby objects data