Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.882422E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:16:25+0800
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    1 Object 1

    AOE ID 53139
    NORAD ID 53139
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64674
    NORAD ID 64674
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4185 STARLINK-34539
    Time of Closest Approach 2026-10-17T21:37:33+0000
    Collision Probability (Pc) 3.882422E-6
    Conjunction Distance (km) 1.527 km
    Relative Speed (km/s) 7.16 km/s
    Conjunction Risk Parameters R (Radial): -1.318 | I (In-track): 0.681 | C (Cross-track): 0.362
    Collision Risk Index (CRI) 0.47
    X Position (km) -1994.135 -1994.448
    Position Y (km) 4201.859 4200.72
    Position Z (km) -5024.425 -5023.458
    Velocity X (km/s) -4.956 -7.209
    Velocity Y (km/s) -5.259 -0.515
    Velocity Z (km/s) -2.433 2.433

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4185 STARLINK-34539
    Semimajor Axis (a) 6841.027 km 6840.753 km
    Eccentricity (e) 0.000168 0.000034
    Inclination (i) 53.1594° 53.1579°
    RAAN 244.2499° 176.4398°
    Perigee Argument 86.3457° 115.0395°
    Mean Anomaly (M) 273.7738° 245.0643°
    Apogee 464.040 km 462.846 km
    Perigee 461.740 km 462.386 km
    Orbit Epoch 2026-10-17T06:29:12+0000 2026-10-16T09:57:44+0000

    STARLINK-4185 & STARLINK-34539 Collision Probability (Pc) Trend

    STARLINK-4185 & STARLINK-34539 Collision Probability (Pc) TrendNot Available

    STARLINK-4185 & STARLINK-34539 Miss Distance (Miss Distance) Trend

    STARLINK-4185 & STARLINK-34539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4185Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4185Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4185

    No nearby objects data