Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.441391E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:04:48+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 64613
    NORAD ID 64613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3990 STARLINK-34500
    Time of Closest Approach 2026-09-07T11:06:05+0000
    Collision Probability (Pc) 7.441391E-7
    Conjunction Distance (km) 2.892 km
    Relative Speed (km/s) 4.764 km/s
    Conjunction Risk Parameters R (Radial): 2.435 | I (In-track): -1.481 | C (Cross-track): 0.491
    Collision Risk Index (CRI) 0.32
    X Position (km) -409.281 -407.873
    Position Y (km) 4302.091 4303.772
    Position Z (km) -5306.394 -5308.28
    Velocity X (km/s) -7.386 -7.036
    Velocity Y (km/s) 1.153 -2.522
    Velocity Z (km/s) 1.506 -1.505

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3990 STARLINK-34500
    Semimajor Axis (a) 6837.841 km 6840.822 km
    Eccentricity (e) 0.000141 0.000099
    Inclination (i) 53.1590° 53.1568°
    RAAN 174.8845° 220.1797°
    Perigee Argument 71.9176° 87.6281°
    Mean Anomaly (M) 288.1981° 272.4835°
    Apogee 460.669 km 463.363 km
    Perigee 458.739 km 462.007 km
    Orbit Epoch 2026-09-04T19:22:46+0000 2026-09-04T22:35:25+0000

    STARLINK-3990 & STARLINK-34500 Collision Probability (Pc) Trend

    STARLINK-3990 & STARLINK-34500 Collision Probability (Pc) TrendNot Available

    STARLINK-3990 & STARLINK-34500 Miss Distance (Miss Distance) Trend

    STARLINK-3990 & STARLINK-34500 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3990Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34500Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3990Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34500Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3990

    No nearby objects data