Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.259453E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T07:48:06+0800
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    1 Object 1

    AOE ID 53046
    NORAD ID 53046
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59856
    NORAD ID 59856
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4331 STARLINK-31691
    Time of Closest Approach 2026-09-10T23:54:13+0000
    Collision Probability (Pc) 3.259453E-5
    Conjunction Distance (km) 0.923 km
    Relative Speed (km/s) 12.995 km/s
    Conjunction Risk Parameters R (Radial): 0.527 | I (In-track): -0.39 | C (Cross-track): -0.649
    Collision Risk Index (CRI) 0.65
    X Position (km) -2333.367 -2334.202
    Position Y (km) -4720.845 -4721.235
    Position Z (km) -4401.895 -4401.855
    Velocity X (km/s) 1.005 5.857
    Velocity Y (km/s) 4.873 -4.54
    Velocity Z (km/s) -5.765 1.765

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4331 STARLINK-31691
    Semimajor Axis (a) 6855.612 km 6861.285 km
    Eccentricity (e) 0.000214 0.000071
    Inclination (i) 97.2827° 43.0028°
    RAAN 69.4308° 313.6416°
    Perigee Argument 67.7677° 281.1775°
    Mean Anomaly (M) 41.9830° 78.8996°
    Apogee 478.943 km 483.638 km
    Perigee 476.007 km 482.658 km
    Orbit Epoch 2026-09-10T14:00:03+0000 2026-09-09T21:31:54+0000

    STARLINK-4331 & STARLINK-31691 Collision Probability (Pc) Trend

    STARLINK-4331 & STARLINK-31691 Collision Probability (Pc) TrendNot Available

    STARLINK-4331 & STARLINK-31691 Miss Distance (Miss Distance) Trend

    STARLINK-4331 & STARLINK-31691 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4331Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31691Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4331Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31691Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4331

    No nearby objects data