Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.25421E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:14:52+0800
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    1 Object 1

    AOE ID 53397
    NORAD ID 53397
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54173
    NORAD ID 54173
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4515 STARLINK-5242
    Time of Closest Approach 2026-09-07T10:40:39+0000
    Collision Probability (Pc) 1.25421E-6
    Conjunction Distance (km) 2.769 km
    Relative Speed (km/s) 11.006 km/s
    Conjunction Risk Parameters R (Radial): 2.761 | I (In-track): -0.149 | C (Cross-track): 0.148
    Collision Risk Index (CRI) 0.37
    X Position (km) 3872.477 3874.201
    Position Y (km) 4460.12 4461.786
    Position Z (km) 3437.052 3438.436
    Velocity X (km/s) -5.821 -2.182
    Velocity Y (km/s) 1.379 5.569
    Velocity Z (km/s) 4.753 -4.752

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4515 STARLINK-5242
    Semimajor Axis (a) 6837.838 km 6840.870 km
    Eccentricity (e) 0.000110 0.000112
    Inclination (i) 53.1598° 53.1586°
    RAAN 34.6181° 269.3332°
    Perigee Argument 77.8658° 85.1243°
    Mean Anomaly (M) 119.8949° 274.9887°
    Apogee 460.454 km 463.500 km
    Perigee 458.948 km 461.966 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T08:35:35+0000

    STARLINK-4515 & STARLINK-5242 Collision Probability (Pc) Trend

    STARLINK-4515 & STARLINK-5242 Collision Probability (Pc) TrendNot Available

    STARLINK-4515 & STARLINK-5242 Miss Distance (Miss Distance) Trend

    STARLINK-4515 & STARLINK-5242 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5242Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5242Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4515

    No nearby objects data