Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.270366E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:23:55+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 58977
    NORAD ID 58977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4515 STARLINK-31358
    Time of Closest Approach 2026-09-03T18:07:45+0000
    Collision Probability (Pc) 1.270366E-6
    Conjunction Distance (km) 2.819 km
    Relative Speed (km/s) 11.752 km/s
    Conjunction Risk Parameters R (Radial): -2.805 | I (In-track): -0.166 | C (Cross-track): 0.21
    Collision Risk Index (CRI) 0.37
    X Position (km) -5841.074 -5843.363
    Position Y (km) -2644.184 -2645.514
    Position Z (km) 2369.815 2370.782
    Velocity X (km/s) 0.15 3.876
    Velocity Y (km/s) -5.291 -3.603
    Velocity Z (km/s) -5.509 5.508

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4515 STARLINK-31358
    Semimajor Axis (a) 6837.843 km 6840.856 km
    Eccentricity (e) 0.000116 0.000125
    Inclination (i) 53.1604° 53.1583°
    RAAN 45.9314° 195.6018°
    Perigee Argument 78.1779° 90.8325°
    Mean Anomaly (M) 74.1232° 269.2821°
    Apogee 460.497 km 463.578 km
    Perigee 458.915 km 461.860 km
    Orbit Epoch 2026-09-02T14:00:02+0000 2026-09-02T04:29:59+0000

    STARLINK-4515 & STARLINK-31358 Collision Probability (Pc) Trend

    STARLINK-4515 & STARLINK-31358 Collision Probability (Pc) TrendNot Available

    STARLINK-4515 & STARLINK-31358 Miss Distance (Miss Distance) Trend

    STARLINK-4515 & STARLINK-31358 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31358Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31358Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4515

    No nearby objects data