Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.428889E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:17:36+0800
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    1 Object 1

    AOE ID 53795
    NORAD ID 53795
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59774
    NORAD ID 59774
    Object Type UNKNOWN
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-4742 OBJECT B
    Time of Closest Approach 2026-10-21T03:53:21+0000
    Collision Probability (Pc) 2.428889E-6
    Conjunction Distance (km) 2.03 km
    Relative Speed (km/s) 12.103 km/s
    Conjunction Risk Parameters R (Radial): 1.113 | I (In-track): 1.034 | C (Cross-track): 1.347
    Collision Risk Index (CRI) 0.43
    X Position (km) 2255.845 2254.734
    Position Y (km) 3430.807 3431.084
    Position Z (km) 5471.486 5473.161
    Velocity X (km/s) -6.258 -1.856
    Velocity Y (km/s) 4.37 -5.915
    Velocity Z (km/s) -0.16 4.456

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4742 OBJECT B
    Semimajor Axis (a) 6848.883 km 6851.580 km
    Eccentricity (e) 0.000144 0.000943
    Inclination (i) 53.1597° 97.6644°
    RAAN 329.1099° 66.1436°
    Perigee Argument 103.0881° 100.4918°
    Mean Anomaly (M) 257.0281° 259.7386°
    Apogee 471.731 km 479.906 km
    Perigee 469.761 km 466.980 km
    Orbit Epoch 2026-10-20T02:26:08+0000 2026-10-20T07:15:38+0000

    STARLINK-4742 & OBJECT B Collision Probability (Pc) Trend

    STARLINK-4742 & OBJECT B Collision Probability (Pc) TrendNot Available

    STARLINK-4742 & OBJECT B Miss Distance (Miss Distance) Trend

    STARLINK-4742 & OBJECT B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4742Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4742Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4742

    No nearby objects data