Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.200166E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:41:05+0800
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    1 Object 1

    AOE ID 59487
    NORAD ID 59487
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67921
    NORAD ID 67921
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31657 STARLINK-36405
    Time of Closest Approach 2026-09-14T06:52:21+0000
    Collision Probability (Pc) 5.200166E-6
    Conjunction Distance (km) 1.413 km
    Relative Speed (km/s) 7.611 km/s
    Conjunction Risk Parameters R (Radial): -1.315 | I (In-track): -0.439 | C (Cross-track): -0.262
    Collision Risk Index (CRI) 0.49
    X Position (km) -4596.442 -4595.869
    Position Y (km) -3527.711 -3526.625
    Position Z (km) -3679.408 -3678.71
    Velocity X (km/s) 5.637 2.403
    Velocity Y (km/s) -3.996 -6.479
    Velocity Z (km/s) -3.213 3.213

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31657 STARLINK-36405
    Semimajor Axis (a) 6861.210 km 6861.160 km
    Eccentricity (e) 0.000120 0.000215
    Inclination (i) 43.0023° 42.9989°
    RAAN 11.4141° 278.1410°
    Perigee Argument 274.2554° 284.2522°
    Mean Anomaly (M) 85.8161° 75.8091°
    Apogee 483.895 km 484.495 km
    Perigee 482.251 km 481.551 km
    Orbit Epoch 2026-09-11T07:14:43+0000 2026-09-11T03:46:33+0000

    STARLINK-31657 & STARLINK-36405 Collision Probability (Pc) Trend

    STARLINK-31657 & STARLINK-36405 Collision Probability (Pc) TrendNot Available

    STARLINK-31657 & STARLINK-36405 Miss Distance (Miss Distance) Trend

    STARLINK-31657 & STARLINK-36405 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36405Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36405Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31657

    No nearby objects data