Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.084066E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:30:42+0800
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    1 Object 1

    AOE ID 51789
    NORAD ID 51789
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57666
    NORAD ID 57666
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3639 STARLINK-30301
    Time of Closest Approach 2026-09-11T22:22:50+0000
    Collision Probability (Pc) 1.084066E-6
    Conjunction Distance (km) 2.878 km
    Relative Speed (km/s) 9.335 km/s
    Conjunction Risk Parameters R (Radial): -1.459 | I (In-track): 1.964 | C (Cross-track): -1.514
    Collision Risk Index (CRI) 0.36
    X Position (km) 878.774 881.406
    Position Y (km) 5115.589 5116.257
    Position Z (km) -4463.828 -4464.782
    Velocity X (km/s) -6.46 -5.427
    Velocity Y (km/s) -1.976 4.021
    Velocity Z (km/s) -3.539 3.539

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3639 STARLINK-30301
    Semimajor Axis (a) 6840.855 km 6842.904 km
    Eccentricity (e) 0.000123 0.000119
    Inclination (i) 53.1581° 53.1618°
    RAAN 228.2200° 127.6289°
    Perigee Argument 82.8371° 130.3269°
    Mean Anomaly (M) 277.2771° 229.7838°
    Apogee 463.559 km 465.582 km
    Perigee 461.877 km 463.952 km
    Orbit Epoch 2026-09-10T04:43:05+0000 2026-09-10T09:05:09+0000

    STARLINK-3639 & STARLINK-30301 Collision Probability (Pc) Trend

    STARLINK-3639 & STARLINK-30301 Collision Probability (Pc) TrendNot Available

    STARLINK-3639 & STARLINK-30301 Miss Distance (Miss Distance) Trend

    STARLINK-3639 & STARLINK-30301 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30301Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3639Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30301Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3639

    No nearby objects data