Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.479355E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T05:54:18+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53003
    NORAD ID 53003
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54228
    NORAD ID 54228
    Object Type ROCKET BODY
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4255 ELECTRON KICK STAGE R/B
    Time of Closest Approach 2026-10-17T02:20:32+0000
    Collision Probability (Pc) 1.479355E-6
    Conjunction Distance (km) 2.754 km
    Relative Speed (km/s) 14.451 km/s
    Conjunction Risk Parameters R (Radial): -1.758 | I (In-track): -0.667 | C (Cross-track): 2.011
    Collision Risk Index (CRI) 0.38
    X Position (km) -3494.346 -3492.331
    Position Y (km) 4441.259 4441.716
    Position Z (km) -3863.638 -3861.818
    Velocity X (km/s) -6.183 3.585
    Velocity Y (km/s) -1.102 -2.577
    Velocity Z (km/s) 4.33 -6.217

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4255 ELECTRON KICK STAGE R/B
    Semimajor Axis (a) 6840.852 km 6833.085 km
    Eccentricity (e) 0.000124 0.000772
    Inclination (i) 53.1574° 97.6262°
    RAAN 169.0479° 311.2973°
    Perigee Argument 106.0021° 66.9012°
    Mean Anomaly (M) 254.1118° 293.3045°
    Apogee 463.564 km 460.221 km
    Perigee 461.866 km 449.675 km
    Orbit Epoch 2026-10-14T22:57:01+0000 2026-10-15T00:58:36+0000

    STARLINK-4255 & ELECTRON KICK STAGE R/B Collision Probability (Pc) Trend

    STARLINK-4255 & ELECTRON KICK STAGE R/B Collision Probability (Pc) TrendNot Available

    STARLINK-4255 & ELECTRON KICK STAGE R/B Miss Distance (Miss Distance) Trend

    STARLINK-4255 & ELECTRON KICK STAGE R/B Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4255Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ELECTRON KICK STAGE R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4255Collision Probability Trend

    Object 1 Probability TrendNot Available

    ELECTRON KICK STAGE R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4255

    No nearby objects data