Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.291613E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:39:40+0800
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    1 Object 1

    AOE ID 53066
    NORAD ID 53066
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63509
    NORAD ID 63509
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4309 STARLINK-33678
    Time of Closest Approach 2026-10-21T11:41:16+0000
    Collision Probability (Pc) 1.291613E-6
    Conjunction Distance (km) 2.513 km
    Relative Speed (km/s) 8.927 km/s
    Conjunction Risk Parameters R (Radial): 1.322 | I (In-track): -1.735 | C (Cross-track): -1.246
    Collision Risk Index (CRI) 0.37
    X Position (km) 2103.554 2102.521
    Position Y (km) -4198.739 -4198.697
    Position Z (km) 4973.529 4975.819
    Velocity X (km/s) 1.184 7.176
    Velocity Y (km/s) -5.514 0.571
    Velocity Z (km/s) -5.144 -2.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4309 STARLINK-33678
    Semimajor Axis (a) 6843.614 km 6848.841 km
    Eccentricity (e) 0.000174 0.000109
    Inclination (i) 97.2899° 53.1576°
    RAAN 106.3492° 180.8529°
    Perigee Argument 297.0489° 82.8416°
    Mean Anomaly (M) 63.0575° 277.2709°
    Apogee 466.671 km 471.449 km
    Perigee 464.283 km 469.959 km
    Orbit Epoch 2026-10-18T23:36:04+0000 2026-10-18T23:41:01+0000

    STARLINK-4309 & STARLINK-33678 Collision Probability (Pc) Trend

    STARLINK-4309 & STARLINK-33678 Collision Probability (Pc) TrendNot Available

    STARLINK-4309 & STARLINK-33678 Miss Distance (Miss Distance) Trend

    STARLINK-4309 & STARLINK-33678 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4309Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33678Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4309Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33678Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4309

    No nearby objects data