Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.397978E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:34:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53793
    NORAD ID 53793
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68666
    NORAD ID 68666
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4728 STARLINK-37109
    Time of Closest Approach 2026-09-11T12:20:14+0000
    Collision Probability (Pc) 8.397978E-7
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 6.353 km/s
    Conjunction Risk Parameters R (Radial): 2.943 | I (In-track): -0.426 | C (Cross-track): 0.198
    Collision Risk Index (CRI) 0.33
    X Position (km) -3823.892 -3822.473
    Position Y (km) 4923.219 4921.17
    Position Z (km) -2846.397 -2844.765
    Velocity X (km/s) -5.428 -1.082
    Velocity Y (km/s) -1.204 3.124
    Velocity Z (km/s) 5.22 6.873

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4728 STARLINK-37109
    Semimajor Axis (a) 6848.873 km 6843.676 km
    Eccentricity (e) 0.000152 0.000187
    Inclination (i) 53.1610° 97.2834°
    RAAN 154.8168° 123.5947°
    Perigee Argument 87.3039° 100.3932°
    Mean Anomaly (M) 272.8137° 259.7521°
    Apogee 471.780 km 466.816 km
    Perigee 469.692 km 464.262 km
    Orbit Epoch 2026-09-10T00:27:19+0000 2026-09-10T14:31:11+0000

    STARLINK-4728 & STARLINK-37109 Collision Probability (Pc) Trend

    STARLINK-4728 & STARLINK-37109 Collision Probability (Pc) TrendNot Available

    STARLINK-4728 & STARLINK-37109 Miss Distance (Miss Distance) Trend

    STARLINK-4728 & STARLINK-37109 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4728Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37109Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4728Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37109Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4728

    No nearby objects data