Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.333127E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:32:47+0800
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    1 Object 1

    AOE ID 53546
    NORAD ID 53546
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62819
    NORAD ID 62819
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4477 STARLINK-32856
    Time of Closest Approach 2026-09-07T08:01:43+0000
    Collision Probability (Pc) 1.333127E-6
    Conjunction Distance (km) 2.627 km
    Relative Speed (km/s) 10.687 km/s
    Conjunction Risk Parameters R (Radial): 2.296 | I (In-track): -0.909 | C (Cross-track): -0.895
    Collision Risk Index (CRI) 0.37
    X Position (km) 5155.822 5154.647
    Position Y (km) -2511.373 -2509.381
    Position Z (km) 3720.896 3719.649
    Velocity X (km/s) -0.23 5.013
    Velocity Y (km/s) 6.185 3.634
    Velocity Z (km/s) 4.478 -4.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4477 STARLINK-32856
    Semimajor Axis (a) 6840.879 km 6840.749 km
    Eccentricity (e) 0.000126 0.000371
    Inclination (i) 53.1608° 53.1580°
    RAAN 319.5803° 196.0614°
    Perigee Argument 88.8126° 79.6321°
    Mean Anomaly (M) 271.3021° 280.5100°
    Apogee 463.605 km 465.153 km
    Perigee 461.879 km 460.071 km
    Orbit Epoch 2026-09-04T04:48:22+0000 2026-09-04T13:47:11+0000

    STARLINK-4477 & STARLINK-32856 Collision Probability (Pc) Trend

    STARLINK-4477 & STARLINK-32856 Collision Probability (Pc) TrendNot Available

    STARLINK-4477 & STARLINK-32856 Miss Distance (Miss Distance) Trend

    STARLINK-4477 & STARLINK-32856 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-32856Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4477Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-32856Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4477

    No nearby objects data