Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.674308E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T08:34:43+0800
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    1 Object 1

    AOE ID 52626
    NORAD ID 52626
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65915
    NORAD ID 65915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-35539
    Time of Closest Approach 2026-08-28T00:52:35+0000
    Collision Probability (Pc) 5.674308E-6
    Conjunction Distance (km) 1.476 km
    Relative Speed (km/s) 10.695 km/s
    Conjunction Risk Parameters R (Radial): 1.475 | I (In-track): 0.045 | C (Cross-track): 0.035
    Collision Risk Index (CRI) 0.5
    X Position (km) 2861.002 2861.568
    Position Y (km) 4989.04 4990.14
    Position Z (km) -3707.496 -3708.3
    Velocity X (km/s) -6.162 -3.282
    Velocity Y (km/s) 0.197 5.219
    Velocity Z (km/s) -4.496 4.496

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-35539
    Semimajor Axis (a) 6837.890 km 6840.791 km
    Eccentricity (e) 0.000150 0.000067
    Inclination (i) 53.1591° 53.1589°
    RAAN 218.1601° 100.3054°
    Perigee Argument 81.9404° 1.4612°
    Mean Anomaly (M) 278.1768° 358.6393°
    Apogee 460.776 km 463.109 km
    Perigee 458.730 km 462.199 km
    Orbit Epoch 2026-08-26T13:32:31+0000 2026-08-25T15:13:29+0000

    STARLINK-3990 & STARLINK-35539 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-35539 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-35539 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-35539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data