Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.024312E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:18:31+0800
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    1 Object 1

    AOE ID 51872
    NORAD ID 51872
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58893
    NORAD ID 58893
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3554 STARLINK-31255
    Time of Closest Approach 2026-09-13T13:00:44+0000
    Collision Probability (Pc) 1.024312E-6
    Conjunction Distance (km) 2.665 km
    Relative Speed (km/s) 7.01 km/s
    Conjunction Risk Parameters R (Radial): -2.641 | I (In-track): -0.313 | C (Cross-track): -0.164
    Collision Risk Index (CRI) 0.35
    X Position (km) 1648.485 1649.453
    Position Y (km) -4306.252 -4307.788
    Position Z (km) 5039.696 5041.646
    Velocity X (km/s) 5.414 7.265
    Velocity Y (km/s) 4.846 0.01
    Velocity Z (km/s) 2.363 -2.362

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3554 STARLINK-31255
    Semimajor Axis (a) 6837.900 km 6840.892 km
    Eccentricity (e) 0.000125 0.000161
    Inclination (i) 53.1592° 53.1558°
    RAAN 247.8645° 177.0519°
    Perigee Argument 92.8787° 96.8519°
    Mean Anomaly (M) 267.2360° 263.2667°
    Apogee 460.619 km 463.859 km
    Perigee 458.907 km 461.651 km
    Orbit Epoch 2026-09-10T23:47:36+0000 2026-09-11T04:14:44+0000

    STARLINK-3554 & STARLINK-31255 Collision Probability (Pc) Trend

    STARLINK-3554 & STARLINK-31255 Collision Probability (Pc) TrendNot Available

    STARLINK-3554 & STARLINK-31255 Miss Distance (Miss Distance) Trend

    STARLINK-3554 & STARLINK-31255 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3554Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31255Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3554Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31255Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3554

    No nearby objects data