Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.257954E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:26:03+0800
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    1 Object 1

    AOE ID 47839
    NORAD ID 47839
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53189
    NORAD ID 53189
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2431 STARLINK-4391
    Time of Closest Approach 2026-10-28T21:12:54+0000
    Collision Probability (Pc) 2.257954E-6
    Conjunction Distance (km) 2.181 km
    Relative Speed (km/s) 14.181 km/s
    Conjunction Risk Parameters R (Radial): -1.296 | I (In-track): -0.648 | C (Cross-track): 1.63
    Collision Risk Index (CRI) 0.42
    X Position (km) -5090.428 -5089.81
    Position Y (km) 836.039 837.46
    Position Z (km) -4509.408 -4507.873
    Velocity X (km/s) -3.976 5.085
    Velocity Y (km/s) -5.501 0.464
    Velocity Z (km/s) 3.471 -5.66

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2431 STARLINK-4391
    Semimajor Axis (a) 6847.661 km 6843.700 km
    Eccentricity (e) 0.000030 0.000068
    Inclination (i) 53.1569° 97.2846°
    RAAN 220.0911° 355.1060°
    Perigee Argument 334.5600° 125.9688°
    Mean Anomaly (M) 25.5387° 234.1618°
    Apogee 469.731 km 466.029 km
    Perigee 469.317 km 465.097 km
    Orbit Epoch 2026-10-27T01:37:14+0000 2026-10-26T21:16:07+0000

    STARLINK-2431 & STARLINK-4391 Collision Probability (Pc) Trend

    STARLINK-2431 & STARLINK-4391 Collision Probability (Pc) TrendNot Available

    STARLINK-2431 & STARLINK-4391 Miss Distance (Miss Distance) Trend

    STARLINK-2431 & STARLINK-4391 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2431Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2431Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2431

    No nearby objects data