Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.359629E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:08:44+0800
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    1 Object 1

    AOE ID 51865
    NORAD ID 51865
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66407
    NORAD ID 66407
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3503 STARLINK-35686
    Time of Closest Approach 2026-09-11T16:11:12+0000
    Collision Probability (Pc) 1.359629E-6
    Conjunction Distance (km) 2.73 km
    Relative Speed (km/s) 12.221 km/s
    Conjunction Risk Parameters R (Radial): 2.531 | I (In-track): -0.608 | C (Cross-track): 0.821
    Collision Risk Index (CRI) 0.38
    X Position (km) -2680.904 -2682.835
    Position Y (km) -6282.713 -6284.638
    Position Z (km) 318.02 318.144
    Velocity X (km/s) 4.33 4.099
    Velocity Y (km/s) -1.53 -2.067
    Velocity Z (km/s) 6.104 -6.103

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3503 STARLINK-35686
    Semimajor Axis (a) 6837.864 km 6840.708 km
    Eccentricity (e) 0.000132 0.000127
    Inclination (i) 53.1576° 53.1581°
    RAAN 247.9425° 73.2973°
    Perigee Argument 77.8842° 104.5339°
    Mean Anomaly (M) 282.2308° 255.5804°
    Apogee 460.627 km 463.438 km
    Perigee 458.827 km 461.704 km
    Orbit Epoch 2026-09-11T00:33:00+0000 2026-09-10T17:32:11+0000

    STARLINK-3503 & STARLINK-35686 Collision Probability (Pc) Trend

    STARLINK-3503 & STARLINK-35686 Collision Probability (Pc) TrendNot Available

    STARLINK-3503 & STARLINK-35686 Miss Distance (Miss Distance) Trend

    STARLINK-3503 & STARLINK-35686 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3503Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3503

    No nearby objects data