Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.144887E-5
    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 69161
    NORAD ID 69161
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-37311
    Time of Closest Approach 2026-09-04T12:35:15+0000
    Collision Probability (Pc) 7.144887E-5
    Conjunction Distance (km) 0.732 km
    Relative Speed (km/s) 13.811 km/s
    Conjunction Risk Parameters R (Radial): -0.681 | I (In-track): -0.116 | C (Cross-track): -0.241
    Collision Risk Index (CRI) 0.72
    X Position (km) -4523.385 -4522.873
    Position Y (km) -1125.005 -1124.656
    Position Z (km) 4998.464 4998.075
    Velocity X (km/s) -5.677 4.205
    Velocity Y (km/s) 0.088 -5.877
    Velocity Z (km/s) -5.107 2.476

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-37311
    Semimajor Axis (a) 6838.332 km 6840.856 km
    Eccentricity (e) 0.000153 0.000107
    Inclination (i) 97.4679° 53.1569°
    RAAN 3.6108° 152.0722°
    Perigee Argument 258.7743° 93.5381°
    Mean Anomaly (M) 101.3328° 266.5744°
    Apogee 461.242 km 463.451 km
    Perigee 459.148 km 461.987 km
    Orbit Epoch 2026-09-02T06:49:42+0000 2026-09-02T00:53:52+0000

    ARCSTONE & STARLINK-37311 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-37311 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-37311 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-37311 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37311Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37311Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data