Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.440669E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T02:30:30+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 69200
    NORAD ID 69200
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-37761
    Time of Closest Approach 2026-09-11T18:59:58+0000
    Collision Probability (Pc) 1.440669E-6
    Conjunction Distance (km) 2.773 km
    Relative Speed (km/s) 14.044 km/s
    Conjunction Risk Parameters R (Radial): 1.622 | I (In-track): 0.875 | C (Cross-track): -2.071
    Collision Risk Index (CRI) 0.38
    X Position (km) 4619.743 4620.981
    Position Y (km) 1726.901 1729.37
    Position Z (km) -4745.826 -4746.061
    Velocity X (km/s) 5.353 -4.968
    Velocity Y (km/s) 0.532 4.916
    Velocity Z (km/s) 5.405 -3.049

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-37761
    Semimajor Axis (a) 6837.516 km 6840.820 km
    Eccentricity (e) 0.000202 0.000145
    Inclination (i) 97.4693° 53.1577°
    RAAN 12.7230° 157.6117°
    Perigee Argument 216.1900° 91.6431°
    Mean Anomaly (M) 143.9207° 268.4737°
    Apogee 460.763 km 463.675 km
    Perigee 457.995 km 461.691 km
    Orbit Epoch 2026-09-11T06:40:50+0000 2026-09-11T02:19:33+0000

    ARCSTONE & STARLINK-37761 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-37761 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-37761 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-37761 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37761Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37761Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data