Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.685299E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T16:11:33+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 50202
    NORAD ID 50202
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53658
    NORAD ID 53658
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3256 STARLINK-4452
    Time of Closest Approach 2026-09-06T12:04:13+0000
    Collision Probability (Pc) 8.685299E-7
    Conjunction Distance (km) 2.802 km
    Relative Speed (km/s) 5.902 km/s
    Conjunction Risk Parameters R (Radial): 2.796 | I (In-track): -0.169 | C (Cross-track): -0.066
    Collision Risk Index (CRI) 0.34
    X Position (km) 4113.366 4111.746
    Position Y (km) -5245.899 -5243.762
    Position Z (km) 1565.06 1564.249
    Velocity X (km/s) 4.552 0.292
    Velocity Y (km/s) 1.811 -1.983
    Velocity Z (km/s) -5.854 -7.366

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3256 STARLINK-4452
    Semimajor Axis (a) 6848.887 km 6843.703 km
    Eccentricity (e) 0.000132 0.000168
    Inclination (i) 53.1599° 97.2846°
    RAAN 145.3646° 125.7714°
    Perigee Argument 93.4283° 88.8571°
    Mean Anomaly (M) 266.6870° 271.2864°
    Apogee 471.656 km 466.716 km
    Perigee 469.844 km 464.416 km
    Orbit Epoch 2026-09-04T23:20:32+0000 2026-09-05T21:15:05+0000

    STARLINK-3256 & STARLINK-4452 Collision Probability (Pc) Trend

    STARLINK-3256 & STARLINK-4452 Collision Probability (Pc) TrendNot Available

    STARLINK-3256 & STARLINK-4452 Miss Distance (Miss Distance) Trend

    STARLINK-3256 & STARLINK-4452 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3256Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4452Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3256Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4452Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3256

    No nearby objects data