Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.676977E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T19:42:37+0800
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    1 Object 1

    AOE ID 57815
    NORAD ID 57815
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59161
    NORAD ID 59161
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30398 STARLINK-31256
    Time of Closest Approach 2026-10-28T00:44:48+0000
    Collision Probability (Pc) 1.676977E-6
    Conjunction Distance (km) 2.224 km
    Relative Speed (km/s) 9.335 km/s
    Conjunction Risk Parameters R (Radial): -0.76 | I (In-track): -1.655 | C (Cross-track): -1.274
    Collision Risk Index (CRI) 0.39
    X Position (km) -5583.583 -5583.96
    Position Y (km) -3020.584 -3018.413
    Position Z (km) -2609.697 -2609.403
    Velocity X (km/s) 4.426 1.307
    Velocity Y (km/s) -4.457 -6.144
    Velocity Z (km/s) -4.317 4.317

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30398 STARLINK-31256
    Semimajor Axis (a) 6861.661 km 6861.181 km
    Eccentricity (e) 0.000151 0.000087
    Inclination (i) 43.0017° 43.0006°
    RAAN 8.7353° 244.1404°
    Perigee Argument 280.3904° 259.6534°
    Mean Anomaly (M) 79.6777° 100.4220°
    Apogee 484.564 km 483.643 km
    Perigee 482.484 km 482.445 km
    Orbit Epoch 2026-10-26T21:08:02+0000 2026-10-26T08:05:38+0000

    STARLINK-30398 & STARLINK-31256 Collision Probability (Pc) Trend

    STARLINK-30398 & STARLINK-31256 Collision Probability (Pc) TrendNot Available

    STARLINK-30398 & STARLINK-31256 Miss Distance (Miss Distance) Trend

    STARLINK-30398 & STARLINK-31256 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30398Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31256Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30398Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31256Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30398

    No nearby objects data