Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.590469E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T15:49:51+0800
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    1 Object 1

    AOE ID 51813
    NORAD ID 51813
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58386
    NORAD ID 58386
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3552 STARLINK-30929
    Time of Closest Approach 2026-09-09T15:23:30+0000
    Collision Probability (Pc) 3.590469E-7
    Conjunction Distance (km) 2.89 km
    Relative Speed (km/s) 0.915 km/s
    Conjunction Risk Parameters R (Radial): 2.88 | I (In-track): -0.248 | C (Cross-track): -0.012
    Collision Risk Index (CRI) 0.26
    X Position (km) 2557.016 2557.899
    Position Y (km) -3210.439 -3211.946
    Position Z (km) 5459.162 5461.465
    Velocity X (km/s) 6.194 5.737
    Velocity Y (km/s) 4.466 5.037
    Velocity Z (km/s) -0.274 0.275

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3552 STARLINK-30929
    Semimajor Axis (a) 6837.871 km 6840.864 km
    Eccentricity (e) 0.000121 0.000137
    Inclination (i) 53.1599° 53.1602°
    RAAN 217.6833° 228.9909°
    Perigee Argument 87.6349° 90.8222°
    Mean Anomaly (M) 272.4792° 269.2938°
    Apogee 460.562 km 463.666 km
    Perigee 458.906 km 461.788 km
    Orbit Epoch 2026-09-08T21:48:22+0000 2026-09-08T07:44:51+0000

    STARLINK-3552 & STARLINK-30929 Collision Probability (Pc) Trend

    STARLINK-3552 & STARLINK-30929 Collision Probability (Pc) TrendNot Available

    STARLINK-3552 & STARLINK-30929 Miss Distance (Miss Distance) Trend

    STARLINK-3552 & STARLINK-30929 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3552Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30929Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3552Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30929Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3552

    No nearby objects data