Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.369471E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T16:32:33+0800
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    1 Object 1

    AOE ID 53913
    NORAD ID 53913
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SEDNA-1
    AOE ID 60580
    NORAD ID 60580
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5053 SEDNA-1
    Time of Closest Approach 2026-09-14T18:05:34+0000
    Collision Probability (Pc) 6.369471E-6
    Conjunction Distance (km) 1.515 km
    Relative Speed (km/s) 14.367 km/s
    Conjunction Risk Parameters R (Radial): 1.425 | I (In-track): 0.172 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.51
    X Position (km) 4984.25 4983.142
    Position Y (km) -2609.325 -2609.251
    Position Z (km) 4016.868 4015.838
    Velocity X (km/s) 5.245 -4.444
    Velocity Y (km/s) 3.571 0.923
    Velocity Z (km/s) -4.176 6.095

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5053 SEDNA-1
    Semimajor Axis (a) 6917.913 km 6920.488 km
    Eccentricity (e) 0.000143 0.000994
    Inclination (i) 53.1594° 97.6594°
    RAAN 197.0525° 334.8943°
    Perigee Argument 73.2388° 59.8081°
    Mean Anomaly (M) 286.8760° 300.4130°
    Apogee 540.765 km 549.234 km
    Perigee 538.787 km 535.468 km
    Orbit Epoch 2026-09-12T00:19:27+0000 2026-09-11T18:16:18+0000

    STARLINK-5053 & SEDNA-1 Collision Probability (Pc) Trend

    STARLINK-5053 & SEDNA-1 Collision Probability (Pc) TrendNot Available

    STARLINK-5053 & SEDNA-1 Miss Distance (Miss Distance) Trend

    STARLINK-5053 & SEDNA-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5053Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SEDNA-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5053Collision Probability Trend

    Object 1 Probability TrendNot Available

    SEDNA-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5053

    No nearby objects data