Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.774959E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:13:58+0800
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    1 Object 1

    AOE ID 53418
    NORAD ID 53418
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64687
    NORAD ID 64687
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4481 STARLINK-34554
    Time of Closest Approach 2026-10-22T04:44:40+0000
    Collision Probability (Pc) 3.774959E-7
    Conjunction Distance (km) 2.371 km
    Relative Speed (km/s) 0.449 km/s
    Conjunction Risk Parameters R (Radial): -0.237 | I (In-track): -2.358 | C (Cross-track): 0.069
    Collision Risk Index (CRI) 0.27
    X Position (km) 2212.772 2214.681
    Position Y (km) 3462.241 3460.848
    Position Z (km) -5476.359 -5476.172
    Velocity X (km/s) -6.32 -6.512
    Velocity Y (km/s) 4.262 3.961
    Velocity Z (km/s) 0.141 -0.13

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4481 STARLINK-34554
    Semimajor Axis (a) 6840.881 km 6840.853 km
    Eccentricity (e) 0.000114 0.000133
    Inclination (i) 53.1586° 53.1557°
    RAAN 155.1892° 159.3977°
    Perigee Argument 96.2379° 90.0563°
    Mean Anomaly (M) 263.8753° 270.0592°
    Apogee 463.522 km 463.627 km
    Perigee 461.966 km 461.805 km
    Orbit Epoch 2026-10-20T01:32:32+0000 2026-10-20T01:33:20+0000

    STARLINK-4481 & STARLINK-34554 Collision Probability (Pc) Trend

    STARLINK-4481 & STARLINK-34554 Collision Probability (Pc) TrendNot Available

    STARLINK-4481 & STARLINK-34554 Miss Distance (Miss Distance) Trend

    STARLINK-4481 & STARLINK-34554 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4481Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4481Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4481

    No nearby objects data