Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.690735E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T19:11:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52284
    NORAD ID 52284
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53570
    NORAD ID 53570
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3561 STARLINK-4550
    Time of Closest Approach 2026-09-02T21:20:48+0000
    Collision Probability (Pc) 7.690735E-7
    Conjunction Distance (km) 2.875 km
    Relative Speed (km/s) 4.999 km/s
    Conjunction Risk Parameters R (Radial): -2.531 | I (In-track): 1.289 | C (Cross-track): 0.437
    Collision Risk Index (CRI) 0.33
    X Position (km) 732.26 733.871
    Position Y (km) 4274.956 4276.303
    Position Z (km) 5280.355 5282.317
    Velocity X (km/s) -7.441 -6.787
    Velocity Y (km/s) -0.687 3.125
    Velocity Z (km/s) 1.584 -1.583

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3561 STARLINK-4550
    Semimajor Axis (a) 6840.892 km 6843.425 km
    Eccentricity (e) 0.000121 0.000122
    Inclination (i) 53.1616° 53.1597°
    RAAN 20.2507° 330.5003°
    Perigee Argument 83.4453° 98.0650°
    Mean Anomaly (M) 276.6687° 262.0491°
    Apogee 463.582 km 466.127 km
    Perigee 461.928 km 464.449 km
    Orbit Epoch 2026-09-01T15:19:11+0000 2026-09-01T22:59:35+0000

    STARLINK-3561 & STARLINK-4550 Collision Probability (Pc) Trend

    STARLINK-3561 & STARLINK-4550 Collision Probability (Pc) TrendNot Available

    STARLINK-3561 & STARLINK-4550 Miss Distance (Miss Distance) Trend

    STARLINK-3561 & STARLINK-4550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3561Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3561Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3561

    No nearby objects data