Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.205439E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:54:53+0800
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    1 Object 1

    AOE ID 53173
    NORAD ID 53173
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66139
    NORAD ID 66139
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4300 STARLINK-35549
    Time of Closest Approach 2026-10-21T11:32:15+0000
    Collision Probability (Pc) 1.205439E-6
    Conjunction Distance (km) 2.8 km
    Relative Speed (km/s) 10.556 km/s
    Conjunction Risk Parameters R (Radial): 2.071 | I (In-track): -1.364 | C (Cross-track): -1.298
    Collision Risk Index (CRI) 0.37
    X Position (km) 4541.095 4543.604
    Position Y (km) 3413.179 3412.708
    Position Z (km) -3814.216 -3815.366
    Velocity X (km/s) -5.66 -0.958
    Velocity Y (km/s) 2.639 6.171
    Velocity Z (km/s) -4.383 4.383

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4300 STARLINK-35549
    Semimajor Axis (a) 6837.865 km 6840.813 km
    Eccentricity (e) 0.000133 0.000008
    Inclination (i) 53.1587° 53.1615°
    RAAN 197.5636° 78.0596°
    Perigee Argument 89.4506° 315.7556°
    Mean Anomaly (M) 270.6649° 44.3441°
    Apogee 460.638 km 462.728 km
    Perigee 458.818 km 462.624 km
    Orbit Epoch 2026-10-19T03:53:16+0000 2026-10-19T03:27:16+0000

    STARLINK-4300 & STARLINK-35549 Collision Probability (Pc) Trend

    STARLINK-4300 & STARLINK-35549 Collision Probability (Pc) TrendNot Available

    STARLINK-4300 & STARLINK-35549 Miss Distance (Miss Distance) Trend

    STARLINK-4300 & STARLINK-35549 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4300Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35549Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4300Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35549Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4300

    No nearby objects data