Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.870652E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:40:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53140
    NORAD ID 53140
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64679
    NORAD ID 64679
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4170 STARLINK-34489
    Time of Closest Approach 2026-09-05T06:35:15+0000
    Collision Probability (Pc) 8.870652E-7
    Conjunction Distance (km) 2.945 km
    Relative Speed (km/s) 6.851 km/s
    Conjunction Risk Parameters R (Radial): 2.43 | I (In-track): 1.489 | C (Cross-track): 0.743
    Collision Risk Index (CRI) 0.34
    X Position (km) 3149.609 3151.936
    Position Y (km) -3344.544 -3344.588
    Position Z (km) -5071.905 -5073.709
    Velocity X (km/s) 3.22 6.699
    Velocity Y (km/s) 6.519 2.825
    Velocity Z (km/s) -2.301 2.301

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4170 STARLINK-34489
    Semimajor Axis (a) 6837.933 km 6840.801 km
    Eccentricity (e) 0.000133 0.000095
    Inclination (i) 53.1603° 53.1600°
    RAAN 91.3477° 25.2493°
    Perigee Argument 94.9132° 93.5460°
    Mean Anomaly (M) 265.2023° 266.5651°
    Apogee 460.704 km 463.312 km
    Perigee 458.888 km 462.016 km
    Orbit Epoch 2026-09-02T07:12:43+0000 2026-09-01T20:02:06+0000

    STARLINK-4170 & STARLINK-34489 Collision Probability (Pc) Trend

    STARLINK-4170 & STARLINK-34489 Collision Probability (Pc) TrendNot Available

    STARLINK-4170 & STARLINK-34489 Miss Distance (Miss Distance) Trend

    STARLINK-4170 & STARLINK-34489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4170Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4170Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4170

    No nearby objects data