Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.446734E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:23+0800
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    1 Object 1

    AOE ID 51732
    NORAD ID 51732
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3518 ARCSTONE
    Time of Closest Approach 2026-09-05T06:10:49+0000
    Collision Probability (Pc) 1.446734E-6
    Conjunction Distance (km) 2.777 km
    Relative Speed (km/s) 14.206 km/s
    Conjunction Risk Parameters R (Radial): 2.302 | I (In-track): 0.553 | C (Cross-track): 1.453
    Collision Risk Index (CRI) 0.38
    X Position (km) -5164.859 -5163.646
    Position Y (km) -7.739 -6.402
    Position Z (km) -4493.657 -4491.546
    Velocity X (km/s) -3.027 4.928
    Velocity Y (km/s) -6.067 1.32
    Velocity Z (km/s) 3.492 -5.67

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3518 ARCSTONE
    Semimajor Axis (a) 6840.877 km 6838.332 km
    Eccentricity (e) 0.000125 0.000153
    Inclination (i) 53.1583° 97.4679°
    RAAN 234.7673° 3.6108°
    Perigee Argument 92.8311° 258.7743°
    Mean Anomaly (M) 267.2835° 101.3328°
    Apogee 463.599 km 461.242 km
    Perigee 461.881 km 459.148 km
    Orbit Epoch 2026-09-02T06:30:36+0000 2026-09-02T06:49:42+0000

    STARLINK-3518 & ARCSTONE Collision Probability (Pc) Trend

    STARLINK-3518 & ARCSTONE Collision Probability (Pc) TrendNot Available

    STARLINK-3518 & ARCSTONE Miss Distance (Miss Distance) Trend

    STARLINK-3518 & ARCSTONE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3518Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3518Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARCSTONECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3518

    No nearby objects data