Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.073015E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T18:55:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53390
    NORAD ID 53390
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61901
    NORAD ID 61901
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4517 OBJECT H
    Time of Closest Approach 2026-08-30T17:36:40+0000
    Collision Probability (Pc) 5.073015E-6
    Conjunction Distance (km) 1.56 km
    Relative Speed (km/s) 11.81 km/s
    Conjunction Risk Parameters R (Radial): 1.523 | I (In-track): -0.22 | C (Cross-track): 0.255
    Collision Risk Index (CRI) 0.49
    X Position (km) -3578.116 -3578.628
    Position Y (km) 1997.587 1998.119
    Position Z (km) 5463.985 5465.359
    Velocity X (km/s) -3.836 -4.417
    Velocity Y (km/s) -6.607 4.347
    Velocity Z (km/s) -0.097 -4.471

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4517 OBJECT H
    Semimajor Axis (a) 6838.152 km 6843.894 km
    Eccentricity (e) 0.000097 0.001082
    Inclination (i) 53.1593° 97.4065°
    RAAN 63.1410° 320.0267°
    Perigee Argument 93.0381° 130.0263°
    Mean Anomaly (M) 158.8501° 230.1931°
    Apogee 460.679 km 473.163 km
    Perigee 459.351 km 458.351 km
    Orbit Epoch 2026-08-29T22:00:02+0000 2026-08-29T22:16:10+0000

    STARLINK-4517 & OBJECT H Collision Probability (Pc) Trend

    STARLINK-4517 & OBJECT H Collision Probability (Pc) TrendNot Available

    STARLINK-4517 & OBJECT H Miss Distance (Miss Distance) Trend

    STARLINK-4517 & OBJECT H Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4517Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4517Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4517

    No nearby objects data