Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.207061E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:54:43+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58042
    NORAD ID 58042
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-30563
    Time of Closest Approach 2026-09-06T10:32:27+0000
    Collision Probability (Pc) 1.207061E-6
    Conjunction Distance (km) 2.959 km
    Relative Speed (km/s) 11.981 km/s
    Conjunction Risk Parameters R (Radial): -2.824 | I (In-track): 0.545 | C (Cross-track): 0.692
    Collision Risk Index (CRI) 0.37
    X Position (km) -5518.284 -5520.076
    Position Y (km) 3647.251 3649.492
    Position Z (km) -1743.783 -1744.504
    Velocity X (km/s) -3.879 -1.34
    Velocity Y (km/s) -3.109 -4.786
    Velocity Z (km/s) 5.795 -5.794

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-30563
    Semimajor Axis (a) 6837.880 km 6840.853 km
    Eccentricity (e) 0.000121 0.000115
    Inclination (i) 53.1587° 53.1600°
    RAAN 168.5915° 328.0911°
    Perigee Argument 78.6624° 95.6634°
    Mean Anomaly (M) 281.4514° 264.4499°
    Apogee 460.569 km 463.503 km
    Perigee 458.917 km 461.929 km
    Orbit Epoch 2026-09-04T03:56:36+0000 2026-09-03T16:01:23+0000

    STARLINK-3977 & STARLINK-30563 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-30563 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-30563 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-30563 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30563Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30563Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data