Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.91261E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T16:20:14+0800
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    1 Object 1

    AOE ID 54771
    NORAD ID 54771
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58737
    NORAD ID 58737
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5451 STARLINK-31101
    Time of Closest Approach 2026-09-16T07:12:11+0000
    Collision Probability (Pc) 5.91261E-7
    Conjunction Distance (km) 2.983 km
    Relative Speed (km/s) 3.256 km/s
    Conjunction Risk Parameters R (Radial): 2.594 | I (In-track): -1.438 | C (Cross-track): -0.315
    Collision Risk Index (CRI) 0.3
    X Position (km) 2198.694 2198.901
    Position Y (km) -4635.302 -4632.61
    Position Z (km) 4550.984 4549.718
    Velocity X (km/s) 4.225 6.285
    Velocity Y (km/s) 5.358 4.155
    Velocity Z (km/s) 3.406 1.191

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5451 STARLINK-31101
    Semimajor Axis (a) 6864.379 km 6861.191 km
    Eccentricity (e) 0.000154 0.000125
    Inclination (i) 53.1592° 43.0038°
    RAAN 267.6512° 236.5968°
    Perigee Argument 74.2198° 264.6970°
    Mean Anomaly (M) 285.8971° 95.3739°
    Apogee 487.302 km 483.912 km
    Perigee 485.182 km 482.196 km
    Orbit Epoch 2026-09-13T06:40:39+0000 2026-09-13T22:22:31+0000

    STARLINK-5451 & STARLINK-31101 Collision Probability (Pc) Trend

    STARLINK-5451 & STARLINK-31101 Collision Probability (Pc) TrendNot Available

    STARLINK-5451 & STARLINK-31101 Miss Distance (Miss Distance) Trend

    STARLINK-5451 & STARLINK-31101 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5451Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31101Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5451Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31101Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5451

    No nearby objects data