Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.215182E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:00:53+0800
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    1 Object 1

    AOE ID 52843
    NORAD ID 52843
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68753
    NORAD ID 68753
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-4188 SL-4 R/B
    Time of Closest Approach 2026-10-22T23:31:15+0000
    Collision Probability (Pc) 1.215182E-6
    Conjunction Distance (km) 2.339 km
    Relative Speed (km/s) 6.437 km/s
    Conjunction Risk Parameters R (Radial): -1.212 | I (In-track): -1.811 | C (Cross-track): -0.847
    Collision Risk Index (CRI) 0.37
    X Position (km) 737.399 737.988
    Position Y (km) -6239.009 -6239.286
    Position Z (km) -2736.151 -2738.398
    Velocity X (km/s) 4.682 -1.542
    Velocity Y (km/s) 2.869 2.813
    Velocity Z (km/s) -5.293 -6.933

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4188 SL-4 R/B
    Semimajor Axis (a) 6848.884 km 6873.117 km
    Eccentricity (e) 0.000122 0.006221
    Inclination (i) 53.1601° 98.2874°
    RAAN 88.1915° 97.5925°
    Perigee Argument 102.7353° 157.8107°
    Mean Anomaly (M) 257.3785° 202.5841°
    Apogee 471.586 km 537.741 km
    Perigee 469.908 km 452.219 km
    Orbit Epoch 2026-10-20T17:21:52+0000 2026-10-20T10:44:19+0000

    STARLINK-4188 & SL-4 R/B Collision Probability (Pc) Trend

    STARLINK-4188 & SL-4 R/B Collision Probability (Pc) TrendNot Available

    STARLINK-4188 & SL-4 R/B Miss Distance (Miss Distance) Trend

    STARLINK-4188 & SL-4 R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4188Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-4 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4188Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-4 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4188

    No nearby objects data