Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.650312E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T11:01:27+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 69367
    NORAD ID 69367
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-37683
    Time of Closest Approach 2026-09-15T10:36:03+0000
    Collision Probability (Pc) 1.650312E-6
    Conjunction Distance (km) 2.56 km
    Relative Speed (km/s) 14.293 km/s
    Conjunction Risk Parameters R (Radial): 1.039 | I (In-track): -0.821 | C (Cross-track): 2.191
    Collision Risk Index (CRI) 0.39
    X Position (km) 4893.758 4894.611
    Position Y (km) 2081.892 2080.058
    Position Z (km) -4308.455 -4310.022
    Velocity X (km/s) 4.854 -5.111
    Velocity Y (km/s) 0.678 4.225
    Velocity Z (km/s) 5.843 -3.77

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-37683
    Semimajor Axis (a) 6837.201 km 6840.806 km
    Eccentricity (e) 0.000224 0.000145
    Inclination (i) 97.4697° 53.1608°
    RAAN 16.0923° 171.5934°
    Perigee Argument 204.5100° 112.1540°
    Mean Anomaly (M) 155.6037° 247.9616°
    Apogee 460.599 km 463.659 km
    Perigee 457.529 km 461.679 km
    Orbit Epoch 2026-09-14T14:26:31+0000 2026-09-14T03:53:38+0000

    ARCSTONE & STARLINK-37683 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-37683 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-37683 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-37683 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37683Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37683Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data