Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.436573E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:18:29+0800
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    1 Object 1

    AOE ID 58735
    NORAD ID 58735
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31157 STARLINK-33821
    Time of Closest Approach 2026-09-05T02:17:42+0000
    Collision Probability (Pc) 1.436573E-6
    Conjunction Distance (km) 2.443 km
    Relative Speed (km/s) 9.826 km/s
    Conjunction Risk Parameters R (Radial): -0.235 | I (In-track): -1.857 | C (Cross-track): 1.569
    Collision Risk Index (CRI) 0.38
    X Position (km) 3814.401 3812.292
    Position Y (km) -5331.692 -5332.922
    Position Z (km) 2016.403 2016.337
    Velocity X (km/s) 3.902 5.59
    Velocity Y (km/s) 4.573 2.214
    Velocity Z (km/s) 4.694 -4.693

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31157 STARLINK-33821
    Semimajor Axis (a) 6861.190 km 6861.173 km
    Eccentricity (e) 0.000165 0.000069
    Inclination (i) 43.0043° 42.9997°
    RAAN 300.7436° 163.0943°
    Perigee Argument 265.0821° 260.9495°
    Mean Anomaly (M) 94.9842° 99.1279°
    Apogee 484.183 km 483.508 km
    Perigee 481.923 km 482.564 km
    Orbit Epoch 2026-09-02T12:58:57+0000 2026-09-01T20:43:50+0000

    STARLINK-31157 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-31157 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-31157 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-31157 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31157Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31157Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31157

    No nearby objects data