Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.002142E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:44:10+0800
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    1 Object 1

    AOE ID 53578
    NORAD ID 53578
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66372
    NORAD ID 66372
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4556 STARLINK-35821
    Time of Closest Approach 2026-10-28T03:28:15+0000
    Collision Probability (Pc) 2.002142E-6
    Conjunction Distance (km) 2.2 km
    Relative Speed (km/s) 12.034 km/s
    Conjunction Risk Parameters R (Radial): -0.146 | I (In-track): 1.36 | C (Cross-track): -1.723
    Collision Risk Index (CRI) 0.41
    X Position (km) 3580.034 3578.107
    Position Y (km) 5621.479 5622.539
    Position Z (km) -1554.725 -1554.682
    Velocity X (km/s) -3.231 -4.695
    Velocity Y (km/s) 3.671 1.373
    Velocity Z (km/s) 5.861 -5.861

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4556 STARLINK-35821
    Semimajor Axis (a) 6840.872 km 6841.430 km
    Eccentricity (e) 0.000127 0.000080
    Inclination (i) 53.1608° 53.1624°
    RAAN 72.4403° 231.5812°
    Perigee Argument 90.2047° 253.5260°
    Mean Anomaly (M) 269.9101° 106.5655°
    Apogee 463.601 km 463.841 km
    Perigee 461.869 km 462.745 km
    Orbit Epoch 2026-10-27T02:31:49+0000 2026-10-27T06:17:37+0000

    STARLINK-4556 & STARLINK-35821 Collision Probability (Pc) Trend

    STARLINK-4556 & STARLINK-35821 Collision Probability (Pc) TrendNot Available

    STARLINK-4556 & STARLINK-35821 Miss Distance (Miss Distance) Trend

    STARLINK-4556 & STARLINK-35821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4556Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4556Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4556

    No nearby objects data