Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.143007E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:45:30+0800
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    1 Object 1

    AOE ID 52844
    NORAD ID 52844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64459
    NORAD ID 64459
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4208 STARLINK-34421
    Time of Closest Approach 2026-10-21T10:40:24+0000
    Collision Probability (Pc) 1.143007E-6
    Conjunction Distance (km) 2.017 km
    Relative Speed (km/s) 3.359 km/s
    Conjunction Risk Parameters R (Radial): -1.967 | I (In-track): 0.429 | C (Cross-track): -0.097
    Collision Risk Index (CRI) 0.36
    X Position (km) 4162.827 4161.563
    Position Y (km) 639.537 639.788
    Position Z (km) -5400.875 -5399.324
    Velocity X (km/s) 0.18 -2.437
    Velocity Y (km/s) 7.55 7.149
    Velocity Z (km/s) 1.033 -1.032

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4208 STARLINK-34421
    Semimajor Axis (a) 6843.383 km 6840.825 km
    Eccentricity (e) 0.000111 0.000220
    Inclination (i) 53.1613° 53.1581°
    RAAN 92.1208° 122.2272°
    Perigee Argument 81.6414° 80.1902°
    Mean Anomaly (M) 278.4714° 279.9349°
    Apogee 466.006 km 464.197 km
    Perigee 464.486 km 461.179 km
    Orbit Epoch 2026-10-19T10:32:05+0000 2026-10-19T20:01:37+0000

    STARLINK-4208 & STARLINK-34421 Collision Probability (Pc) Trend

    STARLINK-4208 & STARLINK-34421 Collision Probability (Pc) TrendNot Available

    STARLINK-4208 & STARLINK-34421 Miss Distance (Miss Distance) Trend

    STARLINK-4208 & STARLINK-34421 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4208Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4208Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4208

    No nearby objects data