Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.725864E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:21:02+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 2026-10-21T14:43:50+0000
    Collision Probability (Pc) 1.725864E-6
    Conjunction Distance (km) 2.044 km
    Relative Speed (km/s) 7.159 km/s
    Conjunction Risk Parameters R (Radial): 1.672 | I (In-track): -1.039 | C (Cross-track): -0.55
    Collision Risk Index (CRI) 0.4
    X Position (km) -650.664 -649.658
    Position Y (km) 4604.587 4605.877
    Position Z (km) -5024.321 -5025.546
    Velocity X (km/s) -6.299 -7.032
    Velocity Y (km/s) -3.542 1.658
    Velocity Z (km/s) -2.432 2.432

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4185 STARLINK-34539
    Semimajor Axis (a) 6840.808 km 6840.713 km
    Eccentricity (e) 0.000109 0.000458
    Inclination (i) 53.1583° 53.1575°
    RAAN 234.8107° 161.5194°
    Perigee Argument 95.2215° 80.2347°
    Mean Anomaly (M) 264.8912° 279.9173°
    Apogee 463.416 km 465.712 km
    Perigee 461.926 km 459.440 km
    Orbit Epoch 2026-10-19T06:56:50+0000 2026-10-19T14:33:45+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