Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.425682E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:37:00+0800
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    1 Object 1

    AOE ID 53804
    NORAD ID 53804
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54061
    NORAD ID 54061
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4729 STARLINK-5209
    Time of Closest Approach 2026-09-05T04:57:29+0000
    Collision Probability (Pc) 1.425682E-5
    Conjunction Distance (km) 0.975 km
    Relative Speed (km/s) 5.23 km/s
    Conjunction Risk Parameters R (Radial): -0.425 | I (In-track): -0.823 | C (Cross-track): 0.303
    Collision Risk Index (CRI) 0.58
    X Position (km) 621.359 622.266
    Position Y (km) -4315.305 -4315.451
    Position Z (km) 5257.427 5257.753
    Velocity X (km/s) 7.394 6.818
    Velocity Y (km/s) -0.971 3.019
    Velocity Z (km/s) -1.665 1.666

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4729 STARLINK-5209
    Semimajor Axis (a) 6837.836 km 6837.879 km
    Eccentricity (e) 0.000227 0.000126
    Inclination (i) 53.1594° 53.1601°
    RAAN 177.3121° 227.5931°
    Perigee Argument 48.5093° 99.8791°
    Mean Anomaly (M) 311.6104° 260.2354°
    Apogee 461.248 km 460.603 km
    Perigee 458.150 km 458.881 km
    Orbit Epoch 2026-09-02T03:04:33+0000 2026-09-02T04:46:27+0000

    STARLINK-4729 & STARLINK-5209 Collision Probability (Pc) Trend

    STARLINK-4729 & STARLINK-5209 Collision Probability (Pc) TrendNot Available

    STARLINK-4729 & STARLINK-5209 Miss Distance (Miss Distance) Trend

    STARLINK-4729 & STARLINK-5209 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4729Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5209Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4729Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5209Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4729

    No nearby objects data