Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.451315E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:32:51+0800
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    1 Object 1

    AOE ID 54862
    NORAD ID 54862
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57641
    NORAD ID 57641
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5403 STARLINK-30312
    Time of Closest Approach 2026-09-12T03:17:22+0000
    Collision Probability (Pc) 3.451315E-5
    Conjunction Distance (km) 0.652 km
    Relative Speed (km/s) 2.647 km/s
    Conjunction Risk Parameters R (Radial): -0.387 | I (In-track): 0.515 | C (Cross-track): -0.092
    Collision Risk Index (CRI) 0.66
    X Position (km) -3671.774 -3671.204
    Position Y (km) -3528.168 -3528.346
    Position Z (km) 4589.464 4589.203
    Velocity X (km/s) 5.845 4.566
    Velocity Y (km/s) -4.802 -6.031
    Velocity Z (km/s) 0.982 -0.981

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5403 STARLINK-30312
    Semimajor Axis (a) 6861.208 km 6861.445 km
    Eccentricity (e) 0.000089 0.000071
    Inclination (i) 43.0026° 43.0012°
    RAAN 158.2814° 136.2315°
    Perigee Argument 256.3637° 348.7326°
    Mean Anomaly (M) 103.7115° 11.3509°
    Apogee 483.681 km 483.794 km
    Perigee 482.461 km 482.822 km
    Orbit Epoch 2026-09-10T10:08:38+0000 2026-09-09T02:39:37+0000

    STARLINK-5403 & STARLINK-30312 Collision Probability (Pc) Trend

    STARLINK-5403 & STARLINK-30312 Collision Probability (Pc) TrendNot Available

    STARLINK-5403 & STARLINK-30312 Miss Distance (Miss Distance) Trend

    STARLINK-5403 & STARLINK-30312 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5403Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30312Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5403Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30312Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5403

    No nearby objects data