Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.984473E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T08:31:02+0800
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    1 Object 1

    AOE ID 53539
    NORAD ID 53539
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65946
    NORAD ID 65946
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4123 OBJECT B
    Time of Closest Approach 2026-10-13T19:32:28+0000
    Collision Probability (Pc) 1.984473E-6
    Conjunction Distance (km) 2.308 km
    Relative Speed (km/s) 14.019 km/s
    Conjunction Risk Parameters R (Radial): 2.228 | I (In-track): 0.236 | C (Cross-track): -0.552
    Collision Risk Index (CRI) 0.41
    X Position (km) -6365.348 -6367.627
    Position Y (km) 2494.078 2494.345
    Position Z (km) -283.639 -283.875
    Velocity X (km/s) -1.899 -0.181
    Velocity Y (km/s) -4.175 -1.331
    Velocity Z (km/s) 6.104 -7.515

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4123 OBJECT B
    Semimajor Axis (a) 6840.948 km 6842.941 km
    Eccentricity (e) 0.000171 0.001769
    Inclination (i) 53.1587° 80.1545°
    RAAN 168.6073° 340.3217°
    Perigee Argument 91.7191° 270.2792°
    Mean Anomaly (M) 268.4008° 89.6416°
    Apogee 463.981 km 476.907 km
    Perigee 461.641 km 452.701 km
    Orbit Epoch 2026-10-12T01:20:42+0000 2026-10-12T05:10:06+0000

    STARLINK-4123 & OBJECT B Collision Probability (Pc) Trend

    STARLINK-4123 & OBJECT B Collision Probability (Pc) TrendNot Available

    STARLINK-4123 & OBJECT B Miss Distance (Miss Distance) Trend

    STARLINK-4123 & OBJECT B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4123Miss 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-4123Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4123

    No nearby objects data