Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.617087E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:37:00+0800
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    1 Object 1

    AOE ID 53664
    NORAD ID 53664
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58378
    NORAD ID 58378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4471 STARLINK-30920
    Time of Closest Approach 2026-10-20T14:30:29+0000
    Collision Probability (Pc) 3.617087E-6
    Conjunction Distance (km) 1.82 km
    Relative Speed (km/s) 14.322 km/s
    Conjunction Risk Parameters R (Radial): 1.797 | I (In-track): 0.106 | C (Cross-track): 0.27
    Collision Risk Index (CRI) 0.46
    X Position (km) -5143.016 -5141.678
    Position Y (km) 1465.535 1465.418
    Position Z (km) 4259.923 4258.696
    Velocity X (km/s) 4.864 -4.55
    Velocity Y (km/s) -0.099 -4.792
    Velocity Z (km/s) 5.887 -3.833

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4471 STARLINK-30920
    Semimajor Axis (a) 6841.093 km 6840.874 km
    Eccentricity (e) 0.000291 0.000106
    Inclination (i) 97.2859° 53.1628°
    RAAN 169.2292° 26.9562°
    Perigee Argument 107.7382° 89.2051°
    Mean Anomaly (M) 252.4179° 270.9073°
    Apogee 464.948 km 463.463 km
    Perigee 460.964 km 462.011 km
    Orbit Epoch 2026-10-19T21:07:21+0000 2026-10-19T06:41:03+0000

    STARLINK-4471 & STARLINK-30920 Collision Probability (Pc) Trend

    STARLINK-4471 & STARLINK-30920 Collision Probability (Pc) TrendNot Available

    STARLINK-4471 & STARLINK-30920 Miss Distance (Miss Distance) Trend

    STARLINK-4471 & STARLINK-30920 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4471Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30920Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4471Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30920Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4471

    No nearby objects data