Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.511535E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:41:28+0800
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    1 Object 1

    AOE ID 53488
    NORAD ID 53488
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69710
    NORAD ID 69710
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4421 STARLINK-37969
    Time of Closest Approach 2026-10-21T20:27:15+0000
    Collision Probability (Pc) 3.511535E-6
    Conjunction Distance (km) 1.691 km
    Relative Speed (km/s) 9.874 km/s
    Conjunction Risk Parameters R (Radial): -0.982 | I (In-track): -1.044 | C (Cross-track): -0.896
    Collision Risk Index (CRI) 0.46
    X Position (km) 224.881 223.566
    Position Y (km) -1114.178 -1114.618
    Position Z (km) 6740.059 6741.026
    Velocity X (km/s) -4.744 -6.67
    Velocity Y (km/s) -5.925 3.62
    Velocity Z (km/s) -0.819 0.818

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4421 STARLINK-37969
    Semimajor Axis (a) 6843.671 km 6843.649 km
    Eccentricity (e) 0.000171 0.000040
    Inclination (i) 97.2813° 97.2896°
    RAAN 48.6174° 327.7471°
    Perigee Argument 83.7365° 252.2948°
    Mean Anomaly (M) 276.4073° 107.8251°
    Apogee 466.704 km 465.787 km
    Perigee 464.364 km 465.237 km
    Orbit Epoch 2026-10-18T07:27:58+0000 2026-10-18T20:03:07+0000

    STARLINK-4421 & STARLINK-37969 Collision Probability (Pc) Trend

    STARLINK-4421 & STARLINK-37969 Collision Probability (Pc) TrendNot Available

    STARLINK-4421 & STARLINK-37969 Miss Distance (Miss Distance) Trend

    STARLINK-4421 & STARLINK-37969 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4421Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37969Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4421Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37969Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4421

    No nearby objects data