Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.921721E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:39:15+0800
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    1 Object 1

    AOE ID 57219
    NORAD ID 57219
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68011
    NORAD ID 68011
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5520 STARLINK-36991
    Time of Closest Approach 2026-09-05T11:15:44+0000
    Collision Probability (Pc) 4.921721E-5
    Conjunction Distance (km) 0.511 km
    Relative Speed (km/s) 1.327 km/s
    Conjunction Risk Parameters R (Radial): 0.199 | I (In-track): 0.469 | C (Cross-track): 0.042
    Collision Risk Index (CRI) 0.69
    X Position (km) 4842.962 4842.952
    Position Y (km) 1397.231 1396.739
    Position Z (km) -4658.847 -4658.712
    Velocity X (km/s) -1.671 -2.535
    Velocity Y (km/s) 7.416 7.167
    Velocity Z (km/s) 0.488 -0.486

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5520 STARLINK-36991
    Semimajor Axis (a) 6861.208 km 6861.168 km
    Eccentricity (e) 0.000121 0.000124
    Inclination (i) 43.0020° 43.0006°
    RAAN 116.3959° 130.6744°
    Perigee Argument 267.6077° 269.9427°
    Mean Anomaly (M) 92.4636° 90.1283°
    Apogee 483.902 km 483.881 km
    Perigee 482.240 km 482.181 km
    Orbit Epoch 2026-09-02T08:18:23+0000 2026-09-02T09:55:29+0000

    STARLINK-5520 & STARLINK-36991 Collision Probability (Pc) Trend

    STARLINK-5520 & STARLINK-36991 Collision Probability (Pc) TrendNot Available

    STARLINK-5520 & STARLINK-36991 Miss Distance (Miss Distance) Trend

    STARLINK-5520 & STARLINK-36991 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36991Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36991Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5520

    No nearby objects data