Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.163227E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:52:57+0800
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    1 Object 1

    AOE ID 51770
    NORAD ID 51770
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-3612 STARLINK-4477
    Time of Closest Approach 2026-09-05T19:23:40+0000
    Collision Probability (Pc) 1.163227E-6
    Conjunction Distance (km) 2.477 km
    Relative Speed (km/s) 7.141 km/s
    Conjunction Risk Parameters R (Radial): -2.471 | I (In-track): -0.137 | C (Cross-track): 0.073
    Collision Risk Index (CRI) 0.36
    X Position (km) -4621.141 -4619.49
    Position Y (km) -507.041 -506.704
    Position Z (km) -5029.287 -5027.472
    Velocity X (km/s) -1.87 3.34
    Velocity Y (km/s) -6.982 -6.411
    Velocity Z (km/s) 2.424 -2.425

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3612 STARLINK-4477
    Semimajor Axis (a) 6843.384 km 6840.879 km
    Eccentricity (e) 0.000119 0.000126
    Inclination (i) 53.1586° 53.1608°
    RAAN 245.5832° 319.5803°
    Perigee Argument 84.8932° 88.8126°
    Mean Anomaly (M) 275.2206° 271.3021°
    Apogee 466.062 km 463.605 km
    Perigee 464.432 km 461.879 km
    Orbit Epoch 2026-09-04T17:05:39+0000 2026-09-04T04:48:22+0000

    STARLINK-3612 & STARLINK-4477 Collision Probability (Pc) Trend

    STARLINK-3612 & STARLINK-4477 Collision Probability (Pc) TrendNot Available

    STARLINK-3612 & STARLINK-4477 Miss Distance (Miss Distance) Trend

    STARLINK-3612 & STARLINK-4477 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3612Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4477Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3612Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4477Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3612

    No nearby objects data