Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.363873E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:13:16+0800
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    1 Object 1

    AOE ID 53416
    NORAD ID 53416
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53578
    NORAD ID 53578
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4480 STARLINK-4556
    Time of Closest Approach 2026-10-28T22:47:51+0000
    Collision Probability (Pc) 9.363873E-7
    Conjunction Distance (km) 2.911 km
    Relative Speed (km/s) 7.373 km/s
    Conjunction Risk Parameters R (Radial): 2.908 | I (In-track): 0.135 | C (Cross-track): -0.065
    Collision Risk Index (CRI) 0.34
    X Position (km) -4593.234 -4595.156
    Position Y (km) -882.833 -883.354
    Position Z (km) 4978.332 4980.456
    Velocity X (km/s) 3.905 -1.378
    Velocity Y (km/s) -6.064 -7.078
    Velocity Z (km/s) 2.521 -2.52

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4480 STARLINK-4556
    Semimajor Axis (a) 6837.870 km 6840.872 km
    Eccentricity (e) 0.000114 0.000127
    Inclination (i) 53.1601° 53.1608°
    RAAN 147.1446° 72.4403°
    Perigee Argument 81.6854° 90.2047°
    Mean Anomaly (M) 278.4278° 269.9101°
    Apogee 460.514 km 463.601 km
    Perigee 458.952 km 461.869 km
    Orbit Epoch 2026-10-26T23:38:46+0000 2026-10-27T02:31:49+0000

    STARLINK-4480 & STARLINK-4556 Collision Probability (Pc) Trend

    STARLINK-4480 & STARLINK-4556 Collision Probability (Pc) TrendNot Available

    STARLINK-4480 & STARLINK-4556 Miss Distance (Miss Distance) Trend

    STARLINK-4480 & STARLINK-4556 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4480Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4480Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4480

    No nearby objects data