Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.66643E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:00:51+0800
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    1 Object 1

    AOE ID 51778
    NORAD ID 51778
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53486
    NORAD ID 53486
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3615 STARLINK-4431
    Time of Closest Approach 2026-09-07T05:20:43+0000
    Collision Probability (Pc) 1.66643E-6
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 14.423 km/s
    Conjunction Risk Parameters R (Radial): 1.995 | I (In-track): -0.513 | C (Cross-track): 1.508
    Collision Risk Index (CRI) 0.39
    X Position (km) 5392.474 5390.17
    Position Y (km) 1167.929 1168.867
    Position Z (km) 4030.189 4029.619
    Velocity X (km/s) 1.755 -4.092
    Velocity Y (km/s) 6.185 -2.156
    Velocity Z (km/s) -4.128 6.081

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3615 STARLINK-4431
    Semimajor Axis (a) 6837.866 km 6833.222 km
    Eccentricity (e) 0.000110 0.000088
    Inclination (i) 53.1585° 97.5304°
    RAAN 240.4765° 15.3076°
    Perigee Argument 80.4986° 120.8672°
    Mean Anomaly (M) 279.6142° 239.2659°
    Apogee 460.484 km 455.690 km
    Perigee 458.974 km 454.480 km
    Orbit Epoch 2026-09-04T00:13:19+0000 2026-09-04T19:22:24+0000

    STARLINK-3615 & STARLINK-4431 Collision Probability (Pc) Trend

    STARLINK-3615 & STARLINK-4431 Collision Probability (Pc) TrendNot Available

    STARLINK-3615 & STARLINK-4431 Miss Distance (Miss Distance) Trend

    STARLINK-3615 & STARLINK-4431 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3615Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3615Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3615

    No nearby objects data