Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.639527E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:52:20+0800
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    1 Object 1

    AOE ID 57477
    NORAD ID 57477
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59351
    NORAD ID 59351
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30176 STARLINK-31555
    Time of Closest Approach 2026-09-11T10:54:55+0000
    Collision Probability (Pc) 1.639527E-4
    Conjunction Distance (km) 0.445 km
    Relative Speed (km/s) 6.393 km/s
    Conjunction Risk Parameters R (Radial): -0.034 | I (In-track): -0.401 | C (Cross-track): 0.188
    Collision Risk Index (CRI) 0.79
    X Position (km) -2865.311 -2864.946
    Position Y (km) -4730.416 -4730.669
    Position Z (km) -4064.443 -4064.465
    Velocity X (km/s) 6.896 4.936
    Velocity Y (km/s) -1.964 -5.201
    Velocity Z (km/s) -2.577 2.576

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30176 STARLINK-31555
    Semimajor Axis (a) 6861.107 km 6861.214 km
    Eccentricity (e) 0.000108 0.000127
    Inclination (i) 43.0035° 43.0007°
    RAAN 20.2916° 296.7068°
    Perigee Argument 261.4325° 278.4171°
    Mean Anomaly (M) 98.6404° 81.6537°
    Apogee 483.709 km 483.947 km
    Perigee 482.231 km 482.207 km
    Orbit Epoch 2026-09-09T01:22:37+0000 2026-09-10T10:04:12+0000

    STARLINK-30176 & STARLINK-31555 Collision Probability (Pc) Trend

    STARLINK-30176 & STARLINK-31555 Collision Probability (Pc) TrendNot Available

    STARLINK-30176 & STARLINK-31555 Miss Distance (Miss Distance) Trend

    STARLINK-30176 & STARLINK-31555 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30176Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31555Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30176Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31555Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30176

    No nearby objects data