Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.988642E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T00:37:30+0800
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    1 Object 1

    AOE ID 52704
    NORAD ID 52704
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62949
    NORAD ID 62949
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3999 STARLINK-32857
    Time of Closest Approach 2026-08-29T18:29:43+0000
    Collision Probability (Pc) 9.988642E-7
    Conjunction Distance (km) 2.771 km
    Relative Speed (km/s) 7.391 km/s
    Conjunction Risk Parameters R (Radial): 2.732 | I (In-track): -0.406 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.35
    X Position (km) -4504.23 -4506.153
    Position Y (km) -1274.325 -1274.39
    Position Z (km) 4974.937 4976.93
    Velocity X (km/s) -0.773 4.412
    Velocity Y (km/s) -7.168 -5.7
    Velocity Z (km/s) -2.529 2.529

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3999 STARLINK-32857
    Semimajor Axis (a) 6837.872 km 6840.823 km
    Eccentricity (e) 0.000102 0.000114
    Inclination (i) 53.1595° 53.1595°
    RAAN 71.1585° 150.9404°
    Perigee Argument 92.8981° 82.4853°
    Mean Anomaly (M) 267.2139° 277.6280°
    Apogee 460.436 km 463.467 km
    Perigee 459.034 km 461.905 km
    Orbit Epoch 2026-08-29T05:30:05+0000 2026-08-28T01:34:03+0000

    STARLINK-3999 & STARLINK-32857 Collision Probability (Pc) Trend

    STARLINK-3999 & STARLINK-32857 Collision Probability (Pc) TrendNot Available

    STARLINK-3999 & STARLINK-32857 Miss Distance (Miss Distance) Trend

    STARLINK-3999 & STARLINK-32857 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3999Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32857Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3999Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32857Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3999

    No nearby objects data