Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    5.300323E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:20:52+0800
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    1 Object 1

    AOE ID 53423
    NORAD ID 53423
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65334
    NORAD ID 65334
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4539 STARLINK-34878
    Time of Closest Approach 2026-10-30T01:48:01+0000
    Collision Probability (Pc) 5.300323E-4
    Conjunction Distance (km) 0.236 km
    Relative Speed (km/s) 7.601 km/s
    Conjunction Risk Parameters R (Radial): -0.156 | I (In-track): -0.155 | C (Cross-track): -0.083
    Collision Risk Index (CRI) 0.89
    X Position (km) -1775.774 -1775.896
    Position Y (km) -4385.288 -4385.119
    Position Z (km) 4942.142 4942.032
    Velocity X (km/s) 5.106 7.169
    Velocity Y (km/s) -5.033 0.062
    Velocity Z (km/s) -2.625 2.624

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4539 STARLINK-34878
    Semimajor Axis (a) 6848.903 km 6848.827 km
    Eccentricity (e) 0.000145 0.000133
    Inclination (i) 53.1597° 53.1598°
    RAAN 132.6685° 210.1326°
    Perigee Argument 97.7599° 92.2620°
    Mean Anomaly (M) 262.3568° 267.8533°
    Apogee 471.762 km 471.599 km
    Perigee 469.770 km 469.781 km
    Orbit Epoch 2026-10-27T05:57:37+0000 2026-10-27T03:03:12+0000

    STARLINK-4539 & STARLINK-34878 Collision Probability (Pc) Trend

    STARLINK-4539 & STARLINK-34878 Collision Probability (Pc) TrendNot Available

    STARLINK-4539 & STARLINK-34878 Miss Distance (Miss Distance) Trend

    STARLINK-4539 & STARLINK-34878 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34878Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4539Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34878Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4539

    No nearby objects data