Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.964022E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:51:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53575
    NORAD ID 53575
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57004
    NORAD ID 57004
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4551 OBJECT A
    Time of Closest Approach 2026-10-18T17:52:24+0000
    Collision Probability (Pc) 2.964022E-6
    Conjunction Distance (km) 1.779 km
    Relative Speed (km/s) 9.542 km/s
    Conjunction Risk Parameters R (Radial): 1.367 | I (In-track): 0.89 | C (Cross-track): 0.712
    Collision Risk Index (CRI) 0.44
    X Position (km) 2770.282 2770.893
    Position Y (km) 3540.002 3541.632
    Position Z (km) -5164.011 -5164.377
    Velocity X (km/s) -4.044 4.666
    Velocity Y (km/s) 6.134 3.503
    Velocity Z (km/s) 2.037 4.909

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4551 OBJECT A
    Semimajor Axis (a) 6840.872 km 6844.539 km
    Eccentricity (e) 0.000124 0.000536
    Inclination (i) 53.1604° 97.5045°
    RAAN 117.1403° 42.4014°
    Perigee Argument 86.8254° 322.3484°
    Mean Anomaly (M) 273.2891° 37.7383°
    Apogee 463.586 km 470.068 km
    Perigee 461.884 km 462.736 km
    Orbit Epoch 2026-10-17T12:28:41+0000 2026-10-17T21:43:33+0000

    STARLINK-4551 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-4551 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-4551 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-4551 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4551Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4551

    No nearby objects data