Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.550287E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:36:59+0800
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    1 Object 1

    AOE ID 56484
    NORAD ID 56484
    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-6221 STARLINK-30920
    Time of Closest Approach 2026-10-21T04:18:04+0000
    Collision Probability (Pc) 1.550287E-6
    Conjunction Distance (km) 2.412 km
    Relative Speed (km/s) 10.748 km/s
    Conjunction Risk Parameters R (Radial): 1.626 | I (In-track): 1.27 | C (Cross-track): -1.25
    Collision Risk Index (CRI) 0.39
    X Position (km) 1574.064 1575.194
    Position Y (km) 4428.814 4426.863
    Position Z (km) 4963.232 4962.375
    Velocity X (km/s) -1.967 -7.188
    Velocity Y (km/s) 5.808 -0.325
    Velocity Z (km/s) -4.55 2.565

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6221 STARLINK-30920
    Semimajor Axis (a) 6831.998 km 6840.874 km
    Eccentricity (e) 0.000316 0.000106
    Inclination (i) 69.9994° 53.1628°
    RAAN 276.6492° 26.9562°
    Perigee Argument 263.7980° 89.2051°
    Mean Anomaly (M) 344.8342° 270.9073°
    Apogee 456.020 km 463.463 km
    Perigee 451.702 km 462.011 km
    Orbit Epoch 2026-10-19T20:00:04+0000 2026-10-19T06:41:03+0000

    STARLINK-6221 & STARLINK-30920 Collision Probability (Pc) Trend

    STARLINK-6221 & STARLINK-30920 Collision Probability (Pc) TrendNot Available

    STARLINK-6221 & STARLINK-30920 Miss Distance (Miss Distance) Trend

    STARLINK-6221 & STARLINK-30920 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6221Miss 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-6221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30920Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6221

    No nearby objects data