Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.771001E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T22:38:17+0800
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    1 Object 1

    AOE ID 54774
    NORAD ID 54774
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68536
    NORAD ID 68536
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5454 STARLINK-37173
    Time of Closest Approach 2026-09-17T01:37:40+0000
    Collision Probability (Pc) 3.771001E-4
    Conjunction Distance (km) 0.299 km
    Relative Speed (km/s) 7.353 km/s
    Conjunction Risk Parameters R (Radial): 0.099 | I (In-track): -0.243 | C (Cross-track): -0.14
    Collision Risk Index (CRI) 0.87
    X Position (km) -4680.554 -4680.476
    Position Y (km) -246.184 -246.462
    Position Z (km) -4990.45 -4990.374
    Velocity X (km/s) -2.324 3.026
    Velocity Y (km/s) -6.812 -6.53
    Velocity Z (km/s) 2.518 -2.518

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5454 STARLINK-37173
    Semimajor Axis (a) 6840.865 km 6840.826 km
    Eccentricity (e) 0.000134 0.000196
    Inclination (i) 53.1589° 53.1570°
    RAAN 250.2370° 323.6538°
    Perigee Argument 93.2954° 87.1447°
    Mean Anomaly (M) 266.8201° 272.9780°
    Apogee 463.644 km 464.030 km
    Perigee 461.812 km 461.348 km
    Orbit Epoch 2026-09-14T00:26:25+0000 2026-09-14T03:46:54+0000

    STARLINK-5454 & STARLINK-37173 Collision Probability (Pc) Trend

    STARLINK-5454 & STARLINK-37173 Collision Probability (Pc) TrendNot Available

    STARLINK-5454 & STARLINK-37173 Miss Distance (Miss Distance) Trend

    STARLINK-5454 & STARLINK-37173 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5454Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37173Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5454Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37173Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5454

    No nearby objects data