Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.106988E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:02:35+0800
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    1 Object 1

    AOE ID 50202
    NORAD ID 50202
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53063
    NORAD ID 53063
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3256 STARLINK-4307
    Time of Closest Approach 2026-09-13T20:08:36+0000
    Collision Probability (Pc) 1.106988E-6
    Conjunction Distance (km) 2.51 km
    Relative Speed (km/s) 6.809 km/s
    Conjunction Risk Parameters R (Radial): -2.335 | I (In-track): -0.823 | C (Cross-track): -0.406
    Collision Risk Index (CRI) 0.36
    X Position (km) 1312.188 1311.92
    Position Y (km) 5712.643 5710.192
    Position Z (km) -3551.379 -3550.914
    Velocity X (km/s) -4.579 1.976
    Velocity Y (km/s) 3.94 3.552
    Velocity Z (km/s) 4.652 6.451

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3256 STARLINK-4307
    Semimajor Axis (a) 6848.869 km 6843.710 km
    Eccentricity (e) 0.000125 0.000153
    Inclination (i) 53.1591° 97.2846°
    RAAN 114.3785° 70.4733°
    Perigee Argument 85.9669° 98.9877°
    Mean Anomaly (M) 274.1476° 124.5564°
    Apogee 471.589 km 466.623 km
    Perigee 469.875 km 464.523 km
    Orbit Epoch 2026-09-11T15:04:31+0000 2026-09-11T16:00:02+0000

    STARLINK-3256 & STARLINK-4307 Collision Probability (Pc) Trend

    STARLINK-3256 & STARLINK-4307 Collision Probability (Pc) TrendNot Available

    STARLINK-3256 & STARLINK-4307 Miss Distance (Miss Distance) Trend

    STARLINK-3256 & STARLINK-4307 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3256Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4307Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3256Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4307Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3256

    No nearby objects data