Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.726131E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:37:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53426
    NORAD ID 53426
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63378
    NORAD ID 63378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4558 STARLINK-33640
    Time of Closest Approach 2026-10-29T13:03:57+0000
    Collision Probability (Pc) 1.726131E-6
    Conjunction Distance (km) 2.02 km
    Relative Speed (km/s) 6.836 km/s
    Conjunction Risk Parameters R (Radial): -0.228 | I (In-track): 1.796 | C (Cross-track): -0.894
    Collision Risk Index (CRI) 0.4
    X Position (km) -4468.239 -4468.534
    Position Y (km) 1020.711 1018.72
    Position Z (km) 5068.807 5068.64
    Velocity X (km/s) 0.954 -3.994
    Velocity Y (km/s) -7.225 -6.096
    Velocity Z (km/s) 2.29 -2.29

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4558 STARLINK-33640
    Semimajor Axis (a) 6840.877 km 6840.836 km
    Eccentricity (e) 0.000110 0.000085
    Inclination (i) 53.1597° 53.1607°
    RAAN 118.7945° 52.0919°
    Perigee Argument 76.9691° 105.1079°
    Mean Anomaly (M) 283.1435° 255.0018°
    Apogee 463.494 km 463.282 km
    Perigee 461.986 km 462.116 km
    Orbit Epoch 2026-10-27T21:41:22+0000 2026-10-27T15:14:51+0000

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) Trend

    STARLINK-4558 & STARLINK-33640 Collision Probability (Pc) TrendNot Available

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) Trend

    STARLINK-4558 & STARLINK-33640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4558Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4558Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4558

    No nearby objects data