Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.202436E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T20:50:04+0800
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    1 Object 1

    AOE ID 53178
    NORAD ID 53178
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54099
    NORAD ID 54099
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4280 STARLINK-5198
    Time of Closest Approach 2026-09-12T18:35:59+0000
    Collision Probability (Pc) 1.202436E-6
    Conjunction Distance (km) 2.984 km
    Relative Speed (km/s) 12.111 km/s
    Conjunction Risk Parameters R (Radial): 2.969 | I (In-track): 0.177 | C (Cross-track): 0.242
    Collision Risk Index (CRI) 0.37
    X Position (km) -5378.178 -5380.301
    Position Y (km) -4264.809 -4266.874
    Position Z (km) 832.162 832.524
    Velocity X (km/s) 2.272 3.427
    Velocity Y (km/s) -4.051 -3.134
    Velocity Z (km/s) -6.011 6.01

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4280 STARLINK-5198
    Semimajor Axis (a) 6915.198 km 6917.779 km
    Eccentricity (e) 0.000127 0.000264
    Inclination (i) 53.1605° 53.1610°
    RAAN 46.4531° 215.2936°
    Perigee Argument 117.9545° 77.5411°
    Mean Anomaly (M) 242.1576° 282.5877°
    Apogee 537.942 km 541.471 km
    Perigee 536.180 km 537.813 km
    Orbit Epoch 2026-09-12T03:32:45+0000 2026-09-12T07:26:01+0000

    STARLINK-4280 & STARLINK-5198 Collision Probability (Pc) Trend

    STARLINK-4280 & STARLINK-5198 Collision Probability (Pc) TrendNot Available

    STARLINK-4280 & STARLINK-5198 Miss Distance (Miss Distance) Trend

    STARLINK-4280 & STARLINK-5198 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4280Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5198Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4280Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5198Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4280

    No nearby objects data