Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.223367E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T01:48:05+0800
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    1 Object 1

    AOE ID 53701
    NORAD ID 53701
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53703
    NORAD ID 53703
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4711 STARLINK-4731
    Time of Closest Approach 2026-09-09T16:52:41+0000
    Collision Probability (Pc) 2.223367E-7
    Conjunction Distance (km) 2.981 km
    Relative Speed (km/s) 0.003 km/s
    Conjunction Risk Parameters R (Radial): 2.972 | I (In-track): -0.23 | C (Cross-track): -0.039
    Collision Risk Index (CRI) 0.22
    X Position (km) -495.277 -494.851
    Position Y (km) -4712.445 -4710.486
    Position Z (km) 4968.969 4966.764
    Velocity X (km/s) 6.301 6.303
    Velocity Y (km/s) -3.409 -3.41
    Velocity Z (km/s) -2.598 -2.599

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4711 STARLINK-4731
    Semimajor Axis (a) 6875.172 km 6873.056 km
    Eccentricity (e) 0.000058 0.000179
    Inclination (i) 53.1608° 53.1609°
    RAAN 160.9015° 160.9300°
    Perigee Argument 69.8519° 72.0087°
    Mean Anomaly (M) 2.9518° 346.5426°
    Apogee 497.437 km 496.150 km
    Perigee 496.633 km 493.688 km
    Orbit Epoch 2026-09-04T06:00:02+0000 2026-09-04T06:00:02+0000

    STARLINK-4711 & STARLINK-4731 Collision Probability (Pc) Trend

    STARLINK-4711 & STARLINK-4731 Collision Probability (Pc) TrendNot Available

    STARLINK-4711 & STARLINK-4731 Miss Distance (Miss Distance) Trend

    STARLINK-4711 & STARLINK-4731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4711Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4711Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4711

    No nearby objects data