Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    4.897266E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:39:16+0800
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    1 Object 1

    AOE ID 53419
    NORAD ID 53419
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64483
    NORAD ID 64483
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4476 STARLINK-34420
    Time of Closest Approach 2026-10-21T16:18:02+0000
    Collision Probability (Pc) 4.897266E-7
    Conjunction Distance (km) 2.856 km
    Relative Speed (km/s) 1.976 km/s
    Conjunction Risk Parameters R (Radial): -0.471 | I (In-track): 2.794 | C (Cross-track): -0.362
    Collision Risk Index (CRI) 0.29
    X Position (km) -1879.129 -1876.489
    Position Y (km) -3682.155 -3683.179
    Position Z (km) 5440.538 5440.165
    Velocity X (km/s) 7.106 6.392
    Velocity Y (km/s) -2.739 -4.141
    Velocity Z (km/s) 0.599 -0.597

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4476 STARLINK-34420
    Semimajor Axis (a) 6840.876 km 6840.756 km
    Eccentricity (e) 0.000131 0.000100
    Inclination (i) 53.1574° 53.1553°
    RAAN 174.2447° 156.2695°
    Perigee Argument 96.6915° 90.7574°
    Mean Anomaly (M) 263.4236° 269.3543°
    Apogee 463.636 km 463.304 km
    Perigee 461.842 km 461.934 km
    Orbit Epoch 2026-10-19T02:58:03+0000 2026-10-18T23:47:51+0000

    STARLINK-4476 & STARLINK-34420 Collision Probability (Pc) Trend

    STARLINK-4476 & STARLINK-34420 Collision Probability (Pc) TrendNot Available

    STARLINK-4476 & STARLINK-34420 Miss Distance (Miss Distance) Trend

    STARLINK-4476 & STARLINK-34420 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4476Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34420Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4476Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34420Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4476

    No nearby objects data