Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.512001E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:45:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 45212
    NORAD ID 45212
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-1231 STARLINK-3561
    Time of Closest Approach 2026-09-13T05:01:58+0000
    Collision Probability (Pc) 1.512001E-6
    Conjunction Distance (km) 2.344 km
    Relative Speed (km/s) 9.398 km/s
    Conjunction Risk Parameters R (Radial): 1.242 | I (In-track): -1.564 | C (Cross-track): -1.225
    Collision Risk Index (CRI) 0.39
    X Position (km) -5194.281 -5193.141
    Position Y (km) -514.937 -516.821
    Position Z (km) -4431.275 -4430.472
    Velocity X (km/s) -2.421 3.625
    Velocity Y (km/s) -6.286 -5.668
    Velocity Z (km/s) 3.576 -3.591

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1231 STARLINK-3561
    Semimajor Axis (a) 6842.904 km 6840.891 km
    Eccentricity (e) 0.000393 0.000096
    Inclination (i) 53.0367° 53.1607°
    RAAN 229.6310° 330.9221°
    Perigee Argument 31.2433° 90.0341°
    Mean Anomaly (M) 328.8801° 270.0772°
    Apogee 467.459 km 463.414 km
    Perigee 462.075 km 462.094 km
    Orbit Epoch 2026-09-12T07:22:24+0000 2026-09-12T04:34:07+0000

    STARLINK-1231 & STARLINK-3561 Collision Probability (Pc) Trend

    STARLINK-1231 & STARLINK-3561 Collision Probability (Pc) TrendNot Available

    STARLINK-1231 & STARLINK-3561 Miss Distance (Miss Distance) Trend

    STARLINK-1231 & STARLINK-3561 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1231Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3561Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1231Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3561Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1231

    No nearby objects data