Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.015486E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:17:48+0800
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    1 Object 1

    AOE ID 12227
    NORAD ID 12227
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 56339
    NORAD ID 56339
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 DEB STARLINK-5552
    Time of Closest Approach 2026-09-13T18:32:36+0000
    Collision Probability (Pc) 2.015486E-6
    Conjunction Distance (km) 2.305 km
    Relative Speed (km/s) 14.329 km/s
    Conjunction Risk Parameters R (Radial): 0.256 | I (In-track): -0.759 | C (Cross-track): 2.161
    Collision Risk Index (CRI) 0.41
    X Position (km) -158.309 -156.026
    Position Y (km) -2923.235 -2923.401
    Position Z (km) -6270.258 -6270.521
    Velocity X (km/s) -2.393 -2.619
    Velocity Y (km/s) 6.572 -6.421
    Velocity Z (km/s) -2.979 3.06

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB STARLINK-5552
    Semimajor Axis (a) 6951.545 km 6912.819 km
    Eccentricity (e) 0.006348 0.000207
    Inclination (i) 98.7834° 97.2850°
    RAAN 103.1848° 248.7204°
    Perigee Argument 284.1829° 98.5440°
    Mean Anomaly (M) 75.2342° 258.0764°
    Apogee 617.540 km 536.110 km
    Perigee 529.276 km 533.254 km
    Orbit Epoch 2026-09-11T01:18:49+0000 2026-09-11T08:00:04+0000

    DELTA 1 DEB & STARLINK-5552 Collision Probability (Pc) Trend

    DELTA 1 DEB & STARLINK-5552 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & STARLINK-5552 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & STARLINK-5552 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5552Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5552Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data