Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.284524E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:21:52+0800
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    1 Object 1

    AOE ID 56824
    NORAD ID 56824
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57918
    NORAD ID 57918
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30120 STARLINK-30499
    Time of Closest Approach 2026-09-12T21:08:58+0000
    Collision Probability (Pc) 2.284524E-5
    Conjunction Distance (km) 0.878 km
    Relative Speed (km/s) 6.167 km/s
    Conjunction Risk Parameters R (Radial): -0.836 | I (In-track): -0.239 | C (Cross-track): -0.112
    Collision Risk Index (CRI) 0.62
    X Position (km) 1265.147 1265.044
    Position Y (km) 5341.622 5342.338
    Position Z (km) -4119.026 -4119.523
    Velocity X (km/s) -6.355 -7.206
    Velocity Y (km/s) 3.406 -0.195
    Velocity Z (km/s) 2.466 -2.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30120 STARLINK-30499
    Semimajor Axis (a) 6860.749 km 6861.205 km
    Eccentricity (e) 0.000223 0.000104
    Inclination (i) 43.0006° 43.0035°
    RAAN 146.4981° 215.8633°
    Perigee Argument 261.7908° 267.7382°
    Mean Anomaly (M) 98.2690° 92.3351°
    Apogee 484.145 km 483.784 km
    Perigee 481.079 km 482.352 km
    Orbit Epoch 2026-09-10T00:22:23+0000 2026-09-10T14:44:28+0000

    STARLINK-30120 & STARLINK-30499 Collision Probability (Pc) Trend

    STARLINK-30120 & STARLINK-30499 Collision Probability (Pc) TrendNot Available

    STARLINK-30120 & STARLINK-30499 Miss Distance (Miss Distance) Trend

    STARLINK-30120 & STARLINK-30499 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30120Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30499Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30120Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30499Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30120

    No nearby objects data