Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.251935E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T04:50:19+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 65460
    NORAD ID 65460
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-34850
    Time of Closest Approach 2026-10-27T21:13:37+0000
    Collision Probability (Pc) 3.251935E-6
    Conjunction Distance (km) 1.901 km
    Relative Speed (km/s) 14.668 km/s
    Conjunction Risk Parameters R (Radial): 1.425 | I (In-track): 0.338 | C (Cross-track): 1.213
    Collision Risk Index (CRI) 0.45
    X Position (km) -3452.541 -3452.19
    Position Y (km) -5311.658 -5313.233
    Position Z (km) -2576.258 -2577.262
    Velocity X (km/s) 0.65 2.951
    Velocity Y (km/s) 2.965 -4.531
    Velocity Z (km/s) -7.003 5.392

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-34850
    Semimajor Axis (a) 6832.472 km 6841.028 km
    Eccentricity (e) 0.000301 0.000667
    Inclination (i) 97.4741° 53.1442°
    RAAN 59.2053° 257.4706°
    Perigee Argument 84.5622° 297.5539°
    Mean Anomaly (M) 275.5965° 62.4785°
    Apogee 456.393 km 467.455 km
    Perigee 452.277 km 458.327 km
    Orbit Epoch 2026-10-27T01:36:12+0000 2026-10-27T07:16:46+0000

    ARCSTONE & STARLINK-34850 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-34850 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-34850 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-34850 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34850Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34850Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data