Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.014878E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:49:52+0800
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    1 Object 1

    AOE ID 53036
    NORAD ID 53036
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53575
    NORAD ID 53575
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4155 STARLINK-4551
    Time of Closest Approach 2026-10-20T15:09:53+0000
    Collision Probability (Pc) 6.014878E-7
    Conjunction Distance (km) 2.95 km
    Relative Speed (km/s) 3.291 km/s
    Conjunction Risk Parameters R (Radial): 2.939 | I (In-track): -0.244 | C (Cross-track): -0.052
    Collision Risk Index (CRI) 0.31
    X Position (km) 3703.746 3705.456
    Position Y (km) 1989.151 1989.786
    Position Z (km) -5399.888 -5402.206
    Velocity X (km/s) -4.666 -2.378
    Velocity Y (km/s) 5.946 7.173
    Velocity Z (km/s) -1.011 1.011

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4155 STARLINK-4551
    Semimajor Axis (a) 6837.880 km 6840.887 km
    Eccentricity (e) 0.000123 0.000109
    Inclination (i) 53.1576° 53.1600°
    RAAN 140.1819° 108.0058°
    Perigee Argument 92.1227° 87.3597°
    Mean Anomaly (M) 267.9917° 272.7531°
    Apogee 460.585 km 463.496 km
    Perigee 458.901 km 462.004 km
    Orbit Epoch 2026-10-19T06:47:26+0000 2026-10-19T11:22:34+0000

    STARLINK-4155 & STARLINK-4551 Collision Probability (Pc) Trend

    STARLINK-4155 & STARLINK-4551 Collision Probability (Pc) TrendNot Available

    STARLINK-4155 & STARLINK-4551 Miss Distance (Miss Distance) Trend

    STARLINK-4155 & STARLINK-4551 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4155Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4155Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4155

    No nearby objects data