Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.808953E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:56:37+0800
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    1 Object 1

    AOE ID 52121
    NORAD ID 52121
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66030
    NORAD ID 66030
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3678 STARLINK-35431
    Time of Closest Approach 2026-09-05T22:12:47+0000
    Collision Probability (Pc) 3.808953E-7
    Conjunction Distance (km) 2.674 km
    Relative Speed (km/s) 0.841 km/s
    Conjunction Risk Parameters R (Radial): 2.62 | I (In-track): -0.532 | C (Cross-track): 0.039
    Collision Risk Index (CRI) 0.27
    X Position (km) -1411.065 -1412.108
    Position Y (km) -3861.437 -3862.738
    Position Z (km) -5470.85 -5472.939
    Velocity X (km/s) 7.035 7.264
    Velocity Y (km/s) -2.931 -2.301
    Velocity Z (km/s) 0.255 -0.252

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3678 STARLINK-35431
    Semimajor Axis (a) 6837.892 km 6840.832 km
    Eccentricity (e) 0.000101 0.000222
    Inclination (i) 53.1621° 53.1600°
    RAAN 345.9307° 353.8123°
    Perigee Argument 76.3474° 144.9883°
    Mean Anomaly (M) 283.7641° 215.1266°
    Apogee 460.443 km 464.212 km
    Perigee 459.067 km 461.178 km
    Orbit Epoch 2026-09-03T19:02:24+0000 2026-09-03T19:01:46+0000

    STARLINK-3678 & STARLINK-35431 Collision Probability (Pc) Trend

    STARLINK-3678 & STARLINK-35431 Collision Probability (Pc) TrendNot Available

    STARLINK-3678 & STARLINK-35431 Miss Distance (Miss Distance) Trend

    STARLINK-3678 & STARLINK-35431 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3678

    No nearby objects data