Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.444098E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:00:54+0800
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    1 Object 1

    AOE ID 53404
    NORAD ID 53404
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65537
    NORAD ID 65537
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4509 STARLINK-35136
    Time of Closest Approach 2026-10-18T23:07:37+0000
    Collision Probability (Pc) 1.444098E-6
    Conjunction Distance (km) 2.825 km
    Relative Speed (km/s) 14.754 km/s
    Conjunction Risk Parameters R (Radial): -2.311 | I (In-track): 0.428 | C (Cross-track): -1.566
    Collision Risk Index (CRI) 0.38
    X Position (km) -6810.395 -6808.192
    Position Y (km) 146.322 144.767
    Position Z (km) 709.954 709.115
    Velocity X (km/s) 0.541 -0.772
    Velocity Y (km/s) -4.612 0.989
    Velocity Z (km/s) 6.057 -7.528

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4509 STARLINK-35136
    Semimajor Axis (a) 6848.858 km 6843.501 km
    Eccentricity (e) 0.000144 0.000137
    Inclination (i) 53.1587° 97.2842°
    RAAN 178.2442° 357.5374°
    Perigee Argument 90.2243° 329.5840°
    Mean Anomaly (M) 269.8923° 30.5324°
    Apogee 471.708 km 466.299 km
    Perigee 469.734 km 464.429 km
    Orbit Epoch 2026-10-18T02:44:12+0000 2026-10-18T11:24:32+0000

    STARLINK-4509 & STARLINK-35136 Collision Probability (Pc) Trend

    STARLINK-4509 & STARLINK-35136 Collision Probability (Pc) TrendNot Available

    STARLINK-4509 & STARLINK-35136 Miss Distance (Miss Distance) Trend

    STARLINK-4509 & STARLINK-35136 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4509Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35136Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4509Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35136Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4509

    No nearby objects data