Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.589126E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T11:28:20+0800
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    1 Object 1

    AOE ID 54869
    NORAD ID 54869
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 59856
    NORAD ID 59856
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5402 STARLINK-31691
    Time of Closest Approach 2026-09-01T08:02:19+0000
    Collision Probability (Pc) 4.589126E-6
    Conjunction Distance (km) 1.558 km
    Relative Speed (km/s) 10.098 km/s
    Conjunction Risk Parameters R (Radial): -0.624 | I (In-track): -1.073 | C (Cross-track): 0.94
    Collision Risk Index (CRI) 0.48
    X Position (km) 6430.107 6430.298
    Position Y (km) 1846.205 1847.744
    Position Z (km) 1512.786 1512.93
    Velocity X (km/s) -0.503 -2.654
    Velocity Y (km/s) 5.804 5.186
    Velocity Z (km/s) -4.923 4.923

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5402 STARLINK-31691
    Semimajor Axis (a) 6860.734 km 6861.195 km
    Eccentricity (e) 0.000171 0.000156
    Inclination (i) 43.0003° 43.0051°
    RAAN 217.6181° 7.1816°
    Perigee Argument 237.3442° 268.3361°
    Mean Anomaly (M) 122.7244° 91.7311°
    Apogee 483.774 km 484.130 km
    Perigee 481.420 km 481.986 km
    Orbit Epoch 2026-08-30T23:57:14+0000 2026-08-31T09:59:12+0000

    STARLINK-5402 & STARLINK-31691 Collision Probability (Pc) Trend

    STARLINK-5402 & STARLINK-31691 Collision Probability (Pc) TrendNot Available

    STARLINK-5402 & STARLINK-31691 Miss Distance (Miss Distance) Trend

    STARLINK-5402 & STARLINK-31691 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31691Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31691Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5402

    No nearby objects data