Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.445877E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:23+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 66075
    NORAD ID 66075
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-35131
    Time of Closest Approach 2026-09-04T13:21:27+0000
    Collision Probability (Pc) 1.445877E-6
    Conjunction Distance (km) 2.716 km
    Relative Speed (km/s) 13.407 km/s
    Conjunction Risk Parameters R (Radial): 1.543 | I (In-track): 1.055 | C (Cross-track): -1.969
    Collision Risk Index (CRI) 0.38
    X Position (km) 4261.638 4263.215
    Position Y (km) 1131.726 1133.921
    Position Z (km) -5235.025 -5235.283
    Velocity X (km/s) 5.915 -3.882
    Velocity Y (km/s) -0.021 6.312
    Velocity Z (km/s) 4.812 -1.795

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-35131
    Semimajor Axis (a) 6838.332 km 6840.879 km
    Eccentricity (e) 0.000153 0.000120
    Inclination (i) 97.4679° 53.1574°
    RAAN 3.6108° 143.8343°
    Perigee Argument 258.7743° 84.4281°
    Mean Anomaly (M) 101.3328° 275.6859°
    Apogee 461.242 km 463.566 km
    Perigee 459.148 km 461.918 km
    Orbit Epoch 2026-09-02T06:49:42+0000 2026-09-02T00:51:29+0000

    ARCSTONE & STARLINK-35131 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-35131 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-35131 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-35131 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35131Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35131Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data