Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.79376E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:39:43+0800
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    1 Object 1

    AOE ID 49425
    NORAD ID 49425
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53061
    NORAD ID 53061
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3139 STARLINK-4308
    Time of Closest Approach 2026-10-30T12:30:51+0000
    Collision Probability (Pc) 1.79376E-6
    Conjunction Distance (km) 2.368 km
    Relative Speed (km/s) 12.924 km/s
    Conjunction Risk Parameters R (Radial): -2.335 | I (In-track): -0.205 | C (Cross-track): 0.325
    Collision Risk Index (CRI) 0.4
    X Position (km) 2553.33 2552.111
    Position Y (km) -3366.562 -3365.413
    Position Z (km) 5380.228 5378.555
    Velocity X (km/s) 5.042 2.305
    Velocity Y (km/s) 5.622 -5.634
    Velocity Z (km/s) 1.122 -4.607

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3139 STARLINK-4308
    Semimajor Axis (a) 6848.928 km 6843.636 km
    Eccentricity (e) 0.000133 0.000147
    Inclination (i) 53.1596° 97.2846°
    RAAN 243.6826° 115.8892°
    Perigee Argument 88.4500° 92.1865°
    Mean Anomaly (M) 271.6654° 143.8473°
    Apogee 471.704 km 466.506 km
    Perigee 469.878 km 464.492 km
    Orbit Epoch 2026-10-28T13:11:19+0000 2026-10-28T14:00:02+0000

    STARLINK-3139 & STARLINK-4308 Collision Probability (Pc) Trend

    STARLINK-3139 & STARLINK-4308 Collision Probability (Pc) TrendNot Available

    STARLINK-3139 & STARLINK-4308 Miss Distance (Miss Distance) Trend

    STARLINK-3139 & STARLINK-4308 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3139Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4308Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3139Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4308Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3139

    No nearby objects data