Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.039178E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:12:54+0800
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    1 Object 1

    Name R2
    AOE ID 46913
    NORAD ID 46913
    Object Type PAYLOAD
    Country
    LT LT
    VS

    2 Object 2

    AOE ID 54828
    NORAD ID 54828
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter R2 STARLINK-5381
    Time of Closest Approach 2026-09-04T20:35:21+0000
    Collision Probability (Pc) 1.039178E-6
    Conjunction Distance (km) 2.594 km
    Relative Speed (km/s) 6.684 km/s
    Conjunction Risk Parameters R (Radial): 2.193 | I (In-track): -1.244 | C (Cross-track): -0.607
    Collision Risk Index (CRI) 0.35
    X Position (km) -5638.296 -5639.652
    Position Y (km) 1626.898 1628.725
    Position Z (km) -3554.241 -3555.485
    Velocity X (km/s) -0.633 -3.774
    Velocity Y (km/s) -7.238 -5.693
    Velocity Z (km/s) -2.313 3.381

    Orbital Parameters 国际轨道数据源

    Parameter R2 STARLINK-5381
    Semimajor Axis (a) 6864.532 km 6861.200 km
    Eccentricity (e) 0.000857 0.000159
    Inclination (i) 36.8971° 43.0040°
    RAAN 300.0260° 212.8702°
    Perigee Argument 221.8144° 285.1132°
    Mean Anomaly (M) 138.1951° 74.9543°
    Apogee 492.278 km 484.156 km
    Perigee 480.512 km 481.970 km
    Orbit Epoch 2026-09-03T05:52:06+0000 2026-09-03T08:42:42+0000

    R2 & STARLINK-5381 Collision Probability (Pc) Trend

    R2 & STARLINK-5381 Collision Probability (Pc) TrendNot Available

    R2 & STARLINK-5381 Miss Distance (Miss Distance) Trend

    R2 & STARLINK-5381 Miss Distance (Miss Distance) TrendNot Available

    R2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5381Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    R2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5381Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with R2

    No nearby objects data