Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.801478E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:11:37+0800
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    1 Object 1

    AOE ID 53778
    NORAD ID 53778
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64605
    NORAD ID 64605
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4709 STARLINK-34516
    Time of Closest Approach 2026-09-05T21:42:44+0000
    Collision Probability (Pc) 6.801478E-7
    Conjunction Distance (km) 2.836 km
    Relative Speed (km/s) 3.836 km/s
    Conjunction Risk Parameters R (Radial): -0.568 | I (In-track): 2.689 | C (Cross-track): -0.695
    Collision Risk Index (CRI) 0.32
    X Position (km) -1319.757 -1322.288
    Position Y (km) 4037.941 4036.746
    Position Z (km) -5379.462 -5379.014
    Velocity X (km/s) -7.477 -6.541
    Velocity Y (km/s) -0.861 -3.723
    Velocity Z (km/s) 1.189 -1.188

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4709 STARLINK-34516
    Semimajor Axis (a) 6848.877 km 6848.768 km
    Eccentricity (e) 0.000139 0.000151
    Inclination (i) 53.1613° 53.1580°
    RAAN 189.4375° 228.8096°
    Perigee Argument 73.3020° 103.5734°
    Mean Anomaly (M) 286.8134° 256.5436°
    Apogee 471.695 km 471.668 km
    Perigee 469.785 km 469.594 km
    Orbit Epoch 2026-09-03T19:56:35+0000 2026-09-03T05:57:05+0000

    STARLINK-4709 & STARLINK-34516 Collision Probability (Pc) Trend

    STARLINK-4709 & STARLINK-34516 Collision Probability (Pc) TrendNot Available

    STARLINK-4709 & STARLINK-34516 Miss Distance (Miss Distance) Trend

    STARLINK-4709 & STARLINK-34516 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4709Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34516Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4709Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34516Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4709

    No nearby objects data