Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.313584E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T08:20:54+0800
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    1 Object 1

    AOE ID 48693
    NORAD ID 48693
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2618 ARCSTONE
    Time of Closest Approach 2026-10-25T15:53:31+0000
    Collision Probability (Pc) 1.313584E-6
    Conjunction Distance (km) 2.263 km
    Relative Speed (km/s) 6.578 km/s
    Conjunction Risk Parameters R (Radial): 1.976 | I (In-track): 0.993 | C (Cross-track): -0.479
    Collision Risk Index (CRI) 0.37
    X Position (km) -2870.564 -2871.346
    Position Y (km) -5330.858 -5332.981
    Position Z (km) 3157.969 3157.946
    Velocity X (km/s) 3.312 -2.648
    Velocity Y (km/s) -4.75 -2.555
    Velocity Z (km/s) -4.989 -6.697

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2618 ARCSTONE
    Semimajor Axis (a) 6833.149 km 6832.745 km
    Eccentricity (e) 0.000147 0.000304
    Inclination (i) 53.1588° 97.4736°
    RAAN 91.3492° 56.1602°
    Perigee Argument 84.6100° 91.8632°
    Mean Anomaly (M) 161.3986° 268.2960°
    Apogee 456.019 km 456.684 km
    Perigee 454.005 km 452.532 km
    Orbit Epoch 2026-10-24T06:00:02+0000 2026-10-24T01:44:13+0000

    STARLINK-2618 & ARCSTONE Collision Probability (Pc) Trend

    STARLINK-2618 & ARCSTONE Collision Probability (Pc) TrendNot Available

    STARLINK-2618 & ARCSTONE Miss Distance (Miss Distance) Trend

    STARLINK-2618 & ARCSTONE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2618Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2618Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARCSTONECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2618

    No nearby objects data