Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.375901E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T00:23:48+0800
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    1 Object 1

    AOE ID 54866
    NORAD ID 54866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59941
    NORAD ID 59941
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5398 STARLINK-31948
    Time of Closest Approach 2026-10-30T13:59:44+0000
    Collision Probability (Pc) 4.375901E-6
    Conjunction Distance (km) 1.581 km
    Relative Speed (km/s) 10.084 km/s
    Conjunction Risk Parameters R (Radial): -0.296 | I (In-track): 1.164 | C (Cross-track): 1.029
    Collision Risk Index (CRI) 0.48
    X Position (km) 2436.616 2435.065
    Position Y (km) 6232.93 6233.226
    Position Z (km) -1513.424 -1513.355
    Velocity X (km/s) -5.735 -4.92
    Velocity Y (km/s) 1.052 3.114
    Velocity Z (km/s) -4.914 4.923

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5398 STARLINK-31948
    Semimajor Axis (a) 6861.206 km 6861.261 km
    Eccentricity (e) 0.000277 0.000180
    Inclination (i) 42.9114° 43.0025°
    RAAN 249.9317° 98.2430°
    Perigee Argument 232.5488° 277.6557°
    Mean Anomaly (M) 127.5111° 42.9184°
    Apogee 484.969 km 484.361 km
    Perigee 481.169 km 481.887 km
    Orbit Epoch 2026-10-27T20:47:21+0000 2026-10-27T20:00:02+0000

    STARLINK-5398 & STARLINK-31948 Collision Probability (Pc) Trend

    STARLINK-5398 & STARLINK-31948 Collision Probability (Pc) TrendNot Available

    STARLINK-5398 & STARLINK-31948 Miss Distance (Miss Distance) Trend

    STARLINK-5398 & STARLINK-31948 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31948Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31948Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5398

    No nearby objects data