Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.939665E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:15:05+0800
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    1 Object 1

    AOE ID 59536
    NORAD ID 59536
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62110
    NORAD ID 62110
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31721 STARLINK-33551
    Time of Closest Approach 2026-09-13T23:36:11+0000
    Collision Probability (Pc) 5.939665E-6
    Conjunction Distance (km) 1.426 km
    Relative Speed (km/s) 9.707 km/s
    Conjunction Risk Parameters R (Radial): -0.468 | I (In-track): 1.036 | C (Cross-track): 0.862
    Collision Risk Index (CRI) 0.5
    X Position (km) 6067.063 6067.963
    Position Y (km) 2332.985 2331.888
    Position Z (km) 2186.964 2187.108
    Velocity X (km/s) -3.562 -0.661
    Velocity Y (km/s) 4.935 6.05
    Velocity Z (km/s) 4.598 -4.598

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31721 STARLINK-33551
    Semimajor Axis (a) 6861.194 km 6861.131 km
    Eccentricity (e) 0.000104 0.000130
    Inclination (i) 43.0033° 43.0006°
    RAAN 27.6059° 238.9668°
    Perigee Argument 270.3829° 276.2864°
    Mean Anomaly (M) 89.6904° 83.7840°
    Apogee 483.771 km 483.889 km
    Perigee 482.343 km 482.099 km
    Orbit Epoch 2026-09-09T01:47:11+0000 2026-09-11T00:19:35+0000

    STARLINK-31721 & STARLINK-33551 Collision Probability (Pc) Trend

    STARLINK-31721 & STARLINK-33551 Collision Probability (Pc) TrendNot Available

    STARLINK-31721 & STARLINK-33551 Miss Distance (Miss Distance) Trend

    STARLINK-31721 & STARLINK-33551 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31721Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31721Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31721

    No nearby objects data