Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.626387E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:20+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 69945
    NORAD ID 69945
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-37903
    Time of Closest Approach 2026-09-03T10:48:04+0000
    Collision Probability (Pc) 1.626387E-6
    Conjunction Distance (km) 2.164 km
    Relative Speed (km/s) 8.042 km/s
    Conjunction Risk Parameters R (Radial): 0.962 | I (In-track): 1.65 | C (Cross-track): -1.016
    Collision Risk Index (CRI) 0.39
    X Position (km) 4996.594 4998.331
    Position Y (km) 1019.769 1020.851
    Position Z (km) -4565.123 -4564.422
    Velocity X (km/s) 5.173 1.729
    Velocity Y (km/s) -0.302 6.617
    Velocity Z (km/s) 5.596 3.376

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-37903
    Semimajor Axis (a) 6838.332 km 6840.847 km
    Eccentricity (e) 0.000153 0.000063
    Inclination (i) 97.4679° 53.1610°
    RAAN 3.6108° 61.5402°
    Perigee Argument 258.7743° 68.6344°
    Mean Anomaly (M) 101.3328° 291.4726°
    Apogee 461.242 km 463.144 km
    Perigee 459.148 km 462.276 km
    Orbit Epoch 2026-09-02T06:49:42+0000 2026-09-01T18:24:11+0000

    ARCSTONE & STARLINK-37903 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-37903 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-37903 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-37903 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37903Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37903Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data