Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.025945E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:33:44+0800
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    1 Object 1

    AOE ID 55628
    NORAD ID 55628
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name PETREL
    AOE ID 69503
    NORAD ID 69503
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter STARLINK-5484 PETREL
    Time of Closest Approach 2026-09-05T20:52:44+0000
    Collision Probability (Pc) 2.025945E-5
    Conjunction Distance (km) 1.089 km
    Relative Speed (km/s) 14.816 km/s
    Conjunction Risk Parameters R (Radial): -0.055 | I (In-track): -0.238 | C (Cross-track): 1.061
    Collision Risk Index (CRI) 0.61
    X Position (km) -3095.619 -3094.697
    Position Y (km) 2321.283 2321.82
    Position Z (km) 5768.392 5768.604
    Velocity X (km/s) 1.183 -3.799
    Velocity Y (km/s) -6.702 5.124
    Velocity Z (km/s) 3.325 -4.082

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5484 PETREL
    Semimajor Axis (a) 6950.191 km 6947.218 km
    Eccentricity (e) 0.000265 0.001189
    Inclination (i) 69.9994° 97.6849°
    RAAN 113.4726° 310.4300°
    Perigee Argument 268.1140° 7.8160°
    Mean Anomaly (M) 91.9716° 352.3246°
    Apogee 573.894 km 577.338 km
    Perigee 570.214 km 560.824 km
    Orbit Epoch 2026-09-04T14:09:37+0000 2026-09-04T18:42:17+0000

    STARLINK-5484 & PETREL Collision Probability (Pc) Trend

    STARLINK-5484 & PETREL Collision Probability (Pc) TrendNot Available

    STARLINK-5484 & PETREL Miss Distance (Miss Distance) Trend

    STARLINK-5484 & PETREL Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5484Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PETRELMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5484Collision Probability Trend

    Object 1 Probability TrendNot Available

    PETRELCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5484

    No nearby objects data